If contribution margin is $220000, sales is $400000, and net income is $180000, then variable and fixed expenses are:________

Answers

Answer 1

Answer:

Total variable cost= $180,000

Fixed costs= $40,000

Explanation:

Giving the following information:

Contribution margin= $220,000

Sales= $400,000

Net income= $180,000

The contribution margin formula is as follow:

Total Contribution margin= sales - total variable cost

Therefore, we need to isolate the total variable cost and replace the variable with the data:

Total variable cost= sales - total contribution margin

Total variable cost= 400,000 - 220,000

Total variable cost= $180,000

Finally, the fixed costs:

Fixed costs= total contribution margin - net income

Fixed costs= 220,000 - 180,000

Fixed costs= $40,000


Related Questions

trình bày các vai trò của đạo đức kinh doanh trong phát triển doanh nghiệp

Answers

Answer:

Explanation:

Trung thực: Tính trung thực trong đạo đức kinh doanh thể hiện ở chỗ không buôn bán, sản xuất những mặt hàng nhà nước cấm, không dùng các chiêu trò dối trá để đạt được lợi ích của mình, không trốn thuế, làm ăn phi pháp; không tham ô, hối lộ; trung thành chấp hành đúng quy định của pháp luật…

Tôn trọng con người: Tôn trọng con người bao gồm tôn trọng nhân viên, đối tác khách hàng, đối thủ cũng như tất cả những người làm việc cùng với mình

Đạo đức kinh doanh gắn liền lợi ích của công ty doanh nghiệp với lợi ích chung của khách hàng và trách nhiệm đối với xã hội

Check My Work Which of the following moves the pizza market up along a given supply curve? a. a decrease in the price of cheese, an input to pizza b. a kitchen fire that destroys a popular pizza joint c. an increase in the price of pizza d. an increase in the price of root beer, a complement to pizza

Answers

Answer: c. an increase in the price of pizza

Explanation:

When there is a movement along the supply curve of a given commodity, it means that the commodity simply went through a price change because the supply curve is meant to depict the quantity supplied at various prices.

If there is an increase in the price of pizza therefore, the pizza market would be moved along the given supply curve.

The other options would cause a shift in the supply and demand curves instead of a movement along.

A job was budgeted to require 5 hours of labor per unit at $12.00 per hour. The job consisted of 8,100 units and was completed in 37,500 hours at a total labor cost of $489,800. What is the direct labor rate variance

Answers

Answer:

3,800 unfavorable

Explanation:

A job was budgeted at 5 hours of labour unit at $12 for an hour

The job consists of 8,100 units

It was completed in 37,500 hours

The total labor cost is $489,800

The direct labor rate variance can be calculated as follows

= 5×12×8100

= 486,000

486,000-489,800

= -3,800(since It has a negative sign it is unfavorable)

= 3,800 unfavorable

On November 1, 2021, Vinfast Co. receives $3,600 cash from FPT Co. for consulting services to be provided evenly over the period November 1, 2021, to April 30, 2022—at which time Vinfast credited $3,600 to Unearned Consulting Fees. The adjusting entry on December 31, 2021 would include a
a. Debit to Unearned Consulting Fees for $1,200
b. Debit to Unearned Consulting Fees for $2,400.
c. Credit to Consulting Fees Earned for $2,400.
d. Debit to Consulting Fees Earned for $1,200.

Answers

Answer: A. Debit to Unearned Consulting Fees for $1,200

Explanation:

Following the information given in the question, Vinfast Co. receives $3,600 cash from FPT Co. for consulting services to be provided evenly over the period November 1, 2021, to April 30, 2022.

Since we want to know the adjusting entry on December 31, 2021, a period form November 1, 2021 to December 31, 2021 is a period of two months out of the 6 months period. Therefore, the unearned consultancy fee will be:

= $3600 × 2/6

= $1200

Therefore, there'll be a debit to the unearned consulting Fees for $1,200. Also, there'll be a credit to the consulting fees earned account by $1200.

Should we, as Americans, be concerned with the economies and standard of living of other countries?

Answers

Answer: No the economy and standard of living should be american's focus.

Explanation: If we as american's can't find a solution to our own problem's then it's unlikely that we would be able to solve another countries problems.

No, If we as Americans can't find a solution to our own problem because there exist many differences in the levels of living between various countries.

What is the standard of living?

Standards of living can concern multiple aspects of a population, including satisfaction and productivity. This stands significant because the more significant productivity and happiness exist, the more suitable an economy grows to be as a whole.

The real cause for the dissimilarities in the levels of living between various countries exists the dissimilarity in their levels of national income. The group of national income relies upon the entire volume of an exhibition in the country.

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In markets where the government imposes an excise tax on unit sales, it also has a tendency to dabble with restrictions on advertising (for example, cigarettes and hard liquor). Do potential (or actual) restrictions on advertising in these markets serve the interest of a government that is interested in maximizing its tax revenue from the sale of these products? Explain your answer

Answers

Answer:

I am sorry I don't know sorry again

Explain the importance of technical education providing organization in nepal. plz say simple and correct answer. ​

Answers

Most important education systems for employment generation. With vocational and soft skills, people can enhance their competency, thereby increasing their chances of securing a job.

Capstone Inc. collects 85% of its sales on account in the month of the sale and 15% in the month following the sale. If sales on account are budgeted to be $265,000 for September and $225,000 for October, what are the budgeted cash receipts from sales on account for October? $fill in the blank 1

Answers

Answer: $231,000

Explanation:

The budgeted cash receipts in October is:

= (85% * October sales) + (15% * September sales)

= (85% * 225,000) + (15% * 265,000)

= 191,250 + 39,750

= $231,000

Aztec Inc. produces soft drinks. Mixing is the first department, and its output is measured in gallons. Aztec uses the FIFO method. All manufacturing costs are added uniformly. For July, the mixing department provided the following information:

Production:
Units in process, July 1, 60% complete 18,000 gallons
Units completed and transferred out 141,000 gallons
Units in process, July 31, 45% complete 16,000 gallons
Costs:
Work in process, July 1 $36,000
Costs added during July 398,460

Required:
Prepare a production report.

Answers

Answer:

Aztec Inc.

Mixing Department

Production Report

For the month of July

Equivalent units of production:

Beginning work in process       18,000                  7,200 (40%)

Units started and completed 139,000               139,000 (100%)

Ending work in process           16,000                   7,200 (45%)

Total equivalent units of production                 153,400

Cost per equivalent unit:

Costs added during July $398,460

Equivalent units                 153,400

Cost per equivalent unit = $2.60 ($398,460/153,400)

Cost to be accounted for:

Work in process, July 1                  $36,000

Costs added during July               398,460

Total costs to be accounted for $434,460

Costs assigned:

Beginning work in process = $18,720 (7,200 * $2.60)

Units started and completed = $361,400 (139,000 * $2.60)

Ending work in process =  $18,720 (7,200 * $2.60)

Costs assigned to:

Units completed and transferred out:

 Beginning work in process costs:

   60% completion =     $36,000

   40% completion =        18,720

 Units started and

  completed in July =   361,400

Total costs assigned to

 units transferred out =                 $416,120

Cost of ending work in process =    18,720

Total costs assigned =                 $434,840

Explanation:

a) Data and Calculations:

FIFO Method

                                                      Units       Degree of Completion

July 1 work in process                 18,000                   60%

Units transferred out                 141,000

July 31 work in process              16,000                    45%

Production units available       157,000

Beginning work in process       18,000                   40% to be completed

Units started and completed 139,000                   100%

Which of the following is not a component of internal control?
A
Integration
B
Control activities
С
Control environment.
D
Risk assessment

Answers

Answer:

D is not component of internal control

Internal control is implemented to improve the integrity of economic and accounting information within the organization. Risk assessment is not a component of internal control. Therefore, D is the correct option.

What is risk assessment?

Risk assessment is a method to identify the risks and challenges which can hamper the project or goal of the organization. The process includes some steps, such as identifying the risk, evaluating it, managing it, recording the findings, and reviewing the controls. There are many types of risk assessment. They are qualitative, quantitative, generic, site-specific, and dynamic risk assessments.

The purpose of risk assessment is to create and maintain health and safety conditions within the organization.

Internal control is implemented to improve the integrity of economic and accounting information within the organization. Risk assessment is not a component of internal control. Therefore, D is the correct option.

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You're trying to save to buy a new $207,000 Ferrari. You have $57,000 today that can be invested at your bank. The bank pays 6.5 percent annual interest on its accounts. How long will it be before you have enough to buy the car?

Answers

Answer:

19.84 years

Explanation:

Number of years =  in ( fv / pv) / r  

FV = future value

PV = present value

r = interest rate

IN(207000 / 57000) / 0.065

IN (3.631579) / 0.065 = 19.84

The managerial accountant at Fast and Mean Manufacturing reported that the organization contains an automated production line to manufacture and produce its products for consumers to enjoy in the marketplace. The managerial accountant reported that the company uses the high-low method to estimate the costs in the new budget. The managerial accountant reported the following information: Month Total Machine-Hours Total Costs January 250,000 $5,500,000 February 248,000 $5,260,000 March 249,000 $5,400,000 April 248,000 $5,220,000 May 238,000 $5,180,000 June 230,000 $5,130,000 Compute the slope of the mixed cost, or the variable cost per unit of activity. Compute the vertical intercept, or the fixed cost component of the mixed cost. What is the mixed cost equation

Answers

Answer: See explanation

Explanation:

1. Compute the slope of the mixed cost, or the variable cost per unit of activity.

Variable cost per unit will be:

= (Total Cost at the highest level-l - total cost at the lowest level) / (Highest activity level - lowest activity level)

= (5500000 - 5130000)/(250000 - 230000)

= 370000/20000

= $18.50

2. Compute the vertical intercept, or the fixed cost component of the mixed cost.

The fixed cost will be:

= Total cost - Variable cost

= $5,500,000 - (25,000 × $18.50)

= $5,500,000 - $4,625,000

= $875,000

3. What is the mixed cost equation

Mixed Cost equation will be:

= Fixed Cost + (Variable cost per unit × Total Units of activity )

= 875000 + (18.75 × x)

Y = 875000 + 18.75x

Suppose a stock had an initial price of $72 per share, paid a dividend of $2.60 per share during the year, and had an ending share price of $59. Compute the percentage total return. (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) What was the dividend yield and the capital gains yield

Answers

Answer:

a. −14.44%

b.Dividend yield 3.61%

Capital gains yield −18.06%

Explanation:

a.Computation for the percentage total return

R = ($59 - 72 + 2.60) / $72

R = −.1444*100

R= −14.44%

Therefore the percentage total return is −14.44%

b. Calculation to determine the dividend yield and the capital gains yield

Dividend yield = $2.60 / $72

Dividend yield = .0361*100

Dividend yield =3.61%

Capital gains yield = ($59 - 72) / $72

Capital gains yield = −.1806*100

Capital gains yield =−18.06%

Therefore the dividend yield and the capital gains yield are :

Dividend yield 3.61%

Capital gains yield −18.06%

Bolka Corporation, a merchandising company, reported the following results for October: Sales $ 407,000 Cost of goods sold (all variable) $ 173,400 Total variable selling expense $ 20,400 Total fixed selling expense $ 22,200 Total variable administrative expense $ 14,800 Total fixed administrative expense $ 39,700 The contribution margin for October is: Multiple Choice $198,400 $233,600 $136,500 $345,100

Answers

Answer:

the   contribution margin for October is $198,400

Explanation:

The computation of the  contribution margin for October is given below:

= Sales - Cost of goods sold (all variable) -  Total variable selling expense - Total variable administrative expense

= $407,000 - $173,400 - $20,400 - $14,800

= $198,400

Hence, the   contribution margin for October is $198,400

Therefore the first option is correct

And, the same should be considered

Department G had 2,280 units 25% completed at the beginning of the period, 13,200 units were completed during the period, 1,900 units were 20% completed at the end of the period, and the following manufacturing costs were debited to the departmental work in process account during the period: Work in process, beginning of period $29,400 Costs added during period: Direct materials (12,820 units at $9) 115,380 Direct labor 77,400 Factory overhead 25,800 All direct materials are placed in process at the beginning of production, and the first-in, first-out method of inventory costing is used. What is the total cost of the units started and completed during the period (round unit cost calculations to whole dollars and round your final answer to the nearest dollar)?

Answers

Answer:

Department G

The total cost of the units started and completed during the period is:

= $184,717.

Explanation:

a) Data and Calculations:

FIFO Inventory costing method is used

                                           Units       Materials     Conversion

Beginning inventory        2,280          100%             25%  

Cost of beginning inventory  = $29,400

Units started                  12,820

Total units available       15,100

Units completed            13,200

Ending inventory             1,900           100%              20%

Started and completed 10,920 (13,200 - 2,280)

Equivalent units of production

                                                   Units       Materials         Conversion

Units in Beginning inventory    2,280              0 (0%)        1,710 (75%)

Units started and completed  10,920      10,920 (100%)  10,920 (100%)

Ending inventory                       1,900         1,900 (100%)       380 (20%)

Equivalent units                                         12,820               13,010

Costs added during the period          $115,380         $103,200

Equivalent units                                      12,820               13,010

Cost per equivalent unit                         $9.00                $7.93

Costs assigned to:

Beginning inventory                            $0             $13,603     $13,603

Cost of units started and completed 98,280       86,437       184,717

Ending inventory                                   17,100         3,013         20,113

A firm has net working capital of $560, net fixed assets of $2,306, sales of $6,700, and current liabilities of $870. How many dollars worth of sales are generated from every $1 in total assets?
a. $1.70.
b. $2.52.
c. $1.63.
d. $1.87.
e. $2.09.

Answers

Answer:

1.79

Explanation:

Net working capital is $560

Net fixed assets is $2,306

Sales is $6,700

Liabilities is $870

Therefore the amount of dollar wort sales generated in every $1 can be calculated as follows

= 560+870

= 1,430

6700/1430+2,306

= 6700/3736

= 1.79×1

= 1.79

team skills do not require the ability to communicate effectively.
true or false

Answers

Answer:

I think false .

Explanation:

I think so because while working in a team the most important thing that we need is communication skill.

ình hình tài sản của Cty SAO KIM, số 7, Lê VănTám , phường 9, Quận 10 tính đến ngày 31/12/2020 như sau :

Đvt: triệu đồng.
Tiền mặt 1,000
Tiền gửi ngân hàng 79,000
Phải trả người bán 110,000
1399Nguyên vật liệu 225,000
Vay ngắn hạn ngân hàng 120,000
Công cụ dụng cụ 5,000
Nguồn vốn kinh doanh 965,000
Lãi chưa phân phối 203,500
Xe tải 100,000
Dây chuyền công nghệ 500,000
Máy móc thiết bị 389,000
Phải thu khách hàng 100,000
Phải trả người lao động X


Yêu cầu:
1. Tìm X.

Answers

Can you put this in English so I can help

When a company records depreciation it debits:_____.
A. Depreciation Expense and credits a contra-asset account.
B. Depreciation Expense and credits Cash.
C. a long-lived tangible asset account and credits Depreciation Expense.
D. a liability account and credits Depreciation Expense.

Answers

Answer: A. Depreciation Expense and credits a contra-asset account.

Explanation:

Depreciation is an expense which means that when it is incurred, it will be debited because expenses are debited to show that they have increased.

Depreciation reduces the value of an asset so the asset needs to be credited which is what is done when an asset reduces. The full entry would therefore involved a debit to the Depreciation account and a credit to the asset account that is being depreciated.

Country A has a GDP of $4,600 in Country A dollars, and Country B has a GDP of $2,400 in Country B dollars. If the exchange rate is 1.5 Country B dollars to 1 Country A dollar, what is Country B's GDP in Country A dollars

Answers

Answer: Country A $1,600

Explanation:

Country A's currency is stronger than Country B's which is why Country B needs more of its currency to buy a single unit of Currency A.

You can use direct proportion to find out Country B's GDP in Country A dollars

Country B currency to Country A

1.5       :   1

2,400 :   x

1.5x = 2,400

x = 2,400 / 1.5

= Country A $1,600

M. Poirot wishes to sell a bond that has a face value of $1,000. The bond bears an interest rate of 11.28% with bond interest payable semiannually. Six years ago, $979 was paid for the bond. At least a 12% return (yield) on the investment is desired. The minimum selling price must be: Enter your answer as follow: 1234.56

Answers

Answer:

M. Poirot

The minimum selling price must be:

= $2,065.09.

Explanation:

a) Data and Calculations:

Face value of bond = $1,000

Interest rate = 11.28%

Interest payment = semiannually

Price of bond six years ago = $979

Desired return (yield) rate = 12%

Minimum selling price can be determined as follows:

N (# of periods)  12

I/Y (Interest per year)  12

PV (Present Value)  979

PMT (Periodic Payment)  5.64

Results

FV = $2,065.09

Sum of all periodic payments $67.68

Total Interest $1,018.41

As part of a strategic planning process, Midwest Power's senior executives determined positive findings from their SWOT analysis: (1) New regulations will
provide tax credits for renewable ("green") power sources. (2) Their customers will pay higher prices for green power. (3) A competing power utility that
owns renewable power sources is struggling and might be a target to be acquired by Midwest Power. (4) As compared to their competitors, Midwest
Power's management team is one of the best in the industry. A strength of Midwest Power, per the SWOT analysis, is that

Answers

Answer:

4) As compared to their competitors, Midwest  Power's management team is one of the best in the industry.

Explanation:

The strategic planning process is a documentation that establishes a direction for the small business by assenting where you are asserts the mission and mission along with the long term goals.

Which of the following is not an appropriate member of an audit committee?
A А.
An academic specializing in business administration
B
The organization's vice president of operations.
С.
A retired executive of a firm that had been associated with the organization
D
The vice president of the local bank used by the organization

Answers

It’s B, have a good day☀️

Suppose during 2014, Cypress Semiconductor Corporation reported net cash provided by operating activities of $89,063,000, cash used in investing of $43,133,000, and cash used in financing of $7,359,000. In addition, cash spent for fixed assets during the period was $25,900,000. Average current liabilities were $257,933,000, and average total liabilities were $280,651,000. No dividends were paid.
Free cash flow equals?

Answers

what’s the question?

On June 30, 2021, Moran Corporation issued $9.0 million of its 8% bonds for $8.1 million. The bonds were priced to yield 10%. The bonds are dated June 30, 2021. Interest is payable semiannually on December 31 and July 1. If the effective interest method is used, by how much should the bond discount be reduced for the six months ended December 31, 202

Answers

Answer:

$45,000

Explanation:

Calculation to determine by how much should the bond discount be reduced for the six months ended December 31, 202

First step

Semiannual interest paid on 31.12.2021 = $9,000,000*8%*6/12

Semiannual interest paid on 31.12.2021= $360,000

Second step

Effective interest expense on 31.12.2021 = $8,100,000 * 10% * 6/12

Effective interest expense on 31.12.2021= $405,000

Last step

Bond discount to be reduced for 6 months ended 31.12.2021 = $405,000 - $360,000

Bond discount to be reduced for 6 months ended 31.12.2021=$45,000

Therefore by how much should the bond discount be reduced for the six months ended December 31, 202 will be $45,000

Profit Center Responsibility Reporting for a Service Company
Thomas Railroad Company organizes its three divisions, the North (N), South (S), and West (W) regions, as profit centers. The chief executive officer (CEO) evaluates divisional performance, using income from operations as a percent of revenues. The following quarterly income and expense accounts were provided from the trial balance as of December 31:
Revenues—N Region $1,039,000
Revenues—S Region 1,281,400
Revenues—W Region 2,205,700
Operating Expenses—N Region 658,400
Operating Expenses—S Region 762,600
Operating Expenses—W Region 1,333,900
Corporate Expenses—Dispatching 518,400
Corporate Expenses—Equipment Management 259,700
Corporate Expenses—Treasurer’s 158,000
General Corporate Officers’ Salaries 349,000
The company operates three service departments: the Dispatching Department, the Equipment Management Department, and the Treasurer’s Department. The Dispatching Department manages the scheduling and releasing of completed trains. The Equipment Management Department manages the railroad cars inventories. It makes sure the right freight cars are at the right place at the right time. The Treasurer’s Department conducts a variety of services for the company as a whole. The following additional information has been gathered:
North South West
Number of scheduled trains 5,400 6,500 9,700
Number of railroad cars in inventory 1,200 2,000 1,700

Answers

Question Completion:

1. Prepare quarterly income statements showing income from operations for the three regions. Use three column headings: North, South, and West. Do not round your interim calculations Thomas Railroad Company Divisional Income Statements For the Quarter Ended December 3:1 North South West Revenues Operating expenses Income from operations before service department charges Service department charges: Dispatching Equipment Management Total service department charges Income from operations

2. What is the profit margin of each division? Round to one decimal place Region North Region South Region West Region Identify the most successful region according to the profit margin Profit Margin 0%6

3. What would you include in a recommendation to the CEO for a better method for evaluating the performance of the divisions?

a. The method used to evaluate the performance of the divisions should be reevaluated

b. A better divisional performance measure would be the rate of return on investment (income from operations divided by divisional assets).

c. A better divisional performance measure would be the residual income (income from operations less a minimal return on divisional assets).

d. None of these choices would be Included

e. All of these choices (a, b & c) would be included.

Answer:

Thomas Railroad Company

1. Thomas Railroad Company

Divisional Income Statements

For the Quarter Ended December 3:

Divisions                          North (N)       South (S)         West (W)

Revenues                     $1,039,000    $1,281,400    $2,205,700

Operating expenses        658,400       762,600        1,333,900

Income from operations

before service

department charges     $380,600      $518,800        $871,800

Service department charges:

Dispatching                     $63,600      $106,000         $90,100

Equipment management 39,500          47,550           70,950

Total service

department charges     $103,100      $153,548       $161,050

Income from operations 277,500    $365,252       $710,750

2. Profit margin ratio      26.7%           28.5%             32.2%

West's performance is above all the rest, with a profit margin of 32.2%.

3. e. All of these choices (a, b & c) would be included.

Explanation:

Divisions                      North (N)       South (S)         West (W)

Revenues                $1,039,000    $1,281,400    $2,205,700

Operating expenses   658,400       762,600        1,333,900

Corporate Expenses—Equipment Management 259,700

Corporate Expenses—Treasurer’s 158,000

General Corporate Officers’ Salaries 349,000

Additional data:

Divisions                                           North (N)   South (S)     West (W)  Total

Number of scheduled trains              5,400        6,500         9,700   21,600

Number of railroad cars in inventory 1,200        2,000          1,700    4,900

Corporate Expenses—Equipment Management 259,700/4,900 = $53

Corporate Expenses—Treasurer’s 158,000/21,600 = $7.315

                                               North (N)   South (S)     West (W)  Total

Service departments costs:  

Dispatching                           $63,600   $106,000    $90,100  $259,700

Equipment management       39,500       47,550      70,950     158,000

General Corporate Officers’ Salaries 349,000

what is a fixed income​

Answers

Fixed income broadly refers to those types of investment security that pay investors fixed interest or dividend payments until its maturity date. At maturity, investors are repaid the principal amount they had invested. Government and corporate bonds are the most common types of fixed-income products.

Coronado Industries can produce 100 units of a component part with the following costs: Direct Materials $24000 Direct Labor 8500 Variable Overhead 22000 Fixed Overhead 11000 If Coronado Industries can purchase the units externally for $60000, by what amount will its total costs change

Answers

Answer:

Increase of $5,500

Explanation:

The computation of the change in the total cost is given below:

Total cost at the time of producing is

= Direct material + direct labor + variable overhead

= $24,000 + $8,500 + $22,000

= $54,500

And, the cost of purchasing the unit is $60,000

So, there is an increase of

= $60,000 - $54,500

= $5,500

The same should be relevant

At the end of the previous year, a customer owed Days Company $400. On February 1 of the current year, the customer paid $600 total, which included the $400 owed plus $200 owed through February 1st. The journal entry on February 1 is? (Check all that apply.)

Answers

Answer:

The relevant journal entry would be:

Date                    Account Title                                           Debit            Credit

February 1          Cash                                                       $600

                          Accounts Receivable                                                   $400

                           Revenue                                                                       $200

The entire $600 will be debited to cash to show that $600 was received in cash.

$400 will go to Accounts Receivable to cancel out the debt owed by the customer.

Revenue will be credited $200 for the amount owed through February 1st. Revenue is credited when it increases.

Answer: Cash will debited for $600

Accounts receivable will be credited for $400

Service revenue would be credited for $200

Explanation: it’s was the correct answer on the homework

Each of Professor A and Professor B at UTD has a private secretary, who can type four letters per hour. The letters are generated at a rate of three per hour by each of the two professors, who have been wondering if they would benefit from pooling the two secretaries. Perform a queuing analysis. What is the average waiting time of a letter in the system.

Answers

Answer:

Average waiting time = 7.5 minutes

Explanation:

UTD private secretary can type the number of letters = 4  per hour by each.

By professor, the letter generated = 3 per hour by each

Thus by pooling the average time will be the time that comes by dividing the one hour with total letters in an hour.

Use the below formula:

Average waiting time = Minutes in one hour / total letters

Average waiting time = 60 / 8

Average waiting time = 7.5 minutes

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