Managerial Accounting: The Cornerstone of Business Decision-Making
Managerial Accounting: The Cornerstone of Business Decision-Making
7th Edition
ISBN: 9781337115773
Author: Maryanne M. Mowen, Don R. Hansen, Dan L. Heitger
Publisher: Cengage Learning
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Chapter 3, Problem 62P

Cost Behavior, High-Low Method, Pricing Decision

Fonseca, Ruiz, and Dunn is a large, local accounting firm located in a southwestern city. Carlos Ruiz, one of the firm’s founders, appreciates the success his firm has enjoyed and wants to give something back to his community. He believes that an inexpensive accounting services clinic could provide basic accounting services for small businesses located in the barrio. He wants to price the services at cost.

Since the clinic is brand new, it has no experience to go on. Carlos decided to operate the clinic for 2 months before determining how much to charge per hour on an ongoing basis. As a temporary measure, the clinic adopted an hourly charge of $25, half the amount charged by Fonseca, Ruiz, and Dunn for professional services.

The accounting services clinic opened on January 1. During January, the clinic had 120 hours of professional service. During February, the activity was 150 hours. Costs for these two levels of activity usage are as follows:

Chapter 3, Problem 62P, Cost Behavior, High-Low Method, Pricing Decision Fonseca, Ruiz, and Dunn is a large, local

Required:

  1. 1. Classify each cost as fixed, variable, or mixed, using hours of professional service as the activity driver.
  2. 2. Use the high-low method to separate the mixed costs into their fixed and variable components. (Note: Round variable rates to two decimal places and fixed amounts to the nearest dollar.)
  3. 3. Luz Mondragon, the chief paraprofessional of the clinic, has estimated that the clinic will average 140 professional hours per month. If the clinic is to be operated as a nonprofit organization, how much will it need to charge per professional hour ? How much of this charge is variable? How much is fixed? (Note: Round answers to two decimal places.)
  4. 4. CONCEPTUAL CONNECTION Suppose the accounting center averages 170 professional hours per month. How much would need to be charged per hour for the center to cover its costs ? Explain why the per-hour charge decreased as the activity output increased. (Note: Round answers to two decimal places.)

1.

Expert Solution
Check Mark
To determine

Categorize the activities into fixed cost, variable cost or mixed cost.

Explanation of Solution

Cost:

Cost can be defined as the cash and cash equivalent which is incurred against the products or its related services which will benefit the organization in the future. There are two types of costs that are fixed and variable costs. Combination of fixed and variable is referred to as mixed cost.

Serial NumberActivitiesCategorize
1Senior accountantFixed cost
2Office assistantFixed cost
3Internet and software subscriptionsMixed cost
4Consulting by senior partnerVariable cost
5DepreciationFixed cost
6SuppliesMixed cost
7AdministrationFixed cost
8RentFixed cost
9UtilitiesMixed cost

Table (1)

2.

Expert Solution
Check Mark
To determine

Divide the mixed costs into fixed and variable components with the help of high-low method.

Explanation of Solution

High Low Method:

The method in which, high and low points of data are used to classify the mixed cost into fixed and variable cost known as high low method. This is one among the three costs of separation methods.

Use the following formula to calculate the value of variable rate of internet and software subscriptions:

Variable Rate=High Professional CostLow Professional CostHigh Professional HoursLow Professional Hours

Substitute $850 for high receiving cost, $700 for low receiving cost, 150 for high professional hours and 120 for low professional hours in the above formula.

Variable Rate=$850$700150 Hours120 Hours=$5030 Hours=$5 per hour

Therefore, variable rate is $5.00 per hour.

Use the following formula to calculate the fixed cost for a month of internet and software subscriptions:

Fixed Cost=High Professional Cost(Variable Rate×High Professional Hours)

Substitute $850 for high receiving cost, $5.00 for variable rate and 150 for high professional hours in the above formula.

Fixed Cost=$850($5×150 Hours)=$850$750=$100

Therefore, fixed cost for a month is $100.

Use the following formula to calculate the value of variable rate of supplies:

Variable Rate=High Professional CostLow Professional CostHigh Professional HoursLow Professional Hours

Substitute $1,100 for high receiving cost, $905 for low receiving cost, 150 for high professional hours and 120 for low professional hours in the above formula.

Variable Rate=$1,100$905150 Hours120 Hours=$19530 Hours=$6.5 per hour

Therefore, variable rate is $6.5 per hour.

Use the following formula to calculate the fixed cost for a month of supplies:

Fixed Cost=High Professional Cost(Variable Rate×High Professional Hours)

Substitute $1,100 for high receiving cost, $6.50 for variable rate and 150 for high professional hours in the above formula.

Fixed Cost=$1,100($6.50×150 Hours)=$1,100$975=$125

Therefore, fixed cost for a month is $125.

Use the following formula to calculate the value of variable rate of utilities:

Variable Rate=High Professional CostLow Professional CostHigh Professional HoursLow Professional Hours

Substitute $365 for high receiving cost, $332 for low receiving cost, 150 for high professional hours and 120 for low professional hours in the above formula.

Variable Rate=$365$332150 Hours120 Hours=$3330 Hours=$1.10 per hour

Therefore, variable rate is $1.10 per hour.

Use the following formula to calculate the fixed cost for a month of utilities:

Fixed Cost=High Professional Cost(Variable Rate×High Professional Hours)

Substitute $365 for high receiving cost, $1.10 for variable rate and 150 for high professional hours in the above formula.

Fixed Cost=$365($1.10×150 Hours)=$365$165=$200

Therefore, fixed cost for a month is $200.

3.

Expert Solution
Check Mark
To determine

Calculate the value of total cost and charge per hour. Also, calculate the fixed cost and variable cost.

Explanation of Solution

Use the following formula to calculate the value of fixed cost per hour:

Fixed Cost Per Hour=Total CostProfessional Hours

Substitute $9,025 for total cost and 140 for professional hours in the above formula.

Fixed Cost Per Hour=$9,025140 hours=$64.46

Therefore, the value of fixed cost per hour is $64.46.

Use the following formula to calculate the value of variable cost per hour:

Variable Cost Per Hour=(Variable Rate of Internet Subscriptions+Consulting by Senior Partner+Supplies+Utilities)

Substitute $5 for variable rate of internet subscriptions, $10 for consulting by senior partner, $6.50 for supplies and 1.10 for utilities in the above formula.

Variable Cost Per Hour=$5+$10+$6.50+$1.10=$22.60

Therefore, the value of variable cost per hour is $22.60.

Use the following formula to calculate the value of total clinic cost:

Total Clinic Cost=Fixed Cost+(Variable Rate×Professional Hours)

Substitute $9,025 for fixed cost and $22.60 for variable rate and 140 for professional hours in the above formula.

Total Clinic Cost=$9,025+($22.60×140 hours)=$9,025+$3,164=$12,189

Therefore, the value of total clinic cost is $12,189.

Use the following formula to calculate the value of charge per hour:

Charge Per Hour=Total Clinic CostProfessional Hours+Variable Rate

Substitute $12,189 for total clinic cost, 140 for professional hours and $22.60 for variable rate in the above formula.

Charge Per Hour=$12,189140 hours=$87.06

Therefore, the value of charge per hour is $87.06.

Working Note:

Total Cost is calculated by adding the values of all the activities that is $9,025($2,500+$1,200+$100+$2,400+$125+$500+$2,000+$200).

4.

Expert Solution
Check Mark
To determine

Calculate the value of charge per hour when the number of professional hours is 170 hours.

Explanation of Solution

Use the following formula to calculate the value of charge per hour:

Charge Per Hour=Total CostProfessional Hours+Variable Rate

Substitute $9,025 for fixed cost, 170 for professional hours and $22.60 for variable rate in the above formula.

Charge Per Hour=$9,025170 hours+$22.60=$75.69

Therefore, the value of charge per hour is $75.69.

The charge per hour decreases because fixed cost is divided by the large amount of professional hours.

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Chapter 3 Solutions

Managerial Accounting: The Cornerstone of Business Decision-Making

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