Horngren's Cost Accounting: A Managerial Emphasis (16th Edition)
16th Edition
ISBN: 9780134475585
Author: Srikant M. Datar, Madhav V. Rajan
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 10.29E
Linear cost approximation. Dr. Young, of Young and Associates, LLP, is examining how overhead costs behave as a function of monthly physician contact hours billed to patients. The historical data are as follows:
Total Overhead Costs | Physician Contact Hours Billed to Patients |
$ 90,000 | 150 |
105,000 | 200 |
111,000 | 250 |
125,000 | 300 |
137,000 | 350 |
150,000 | 400 |
- 1. Compute the linear cost function, relating total overhead costs to physician contact hours, using the representative observations of 200 and 300 hours. Plot the linear cost function. Does the constant component of the cost function represent the fixed overhead costs of Young and Associates? Why?
Required
- 2. What would be the predicted total overhead costs for (a) 150 hours and (b) 400 hours using the cost function estimated in requirement 1? Plot the predicted costs and actual costs for 150 and 400 hours.
- 3. Dr. Young had a chance to do some school physicals that would have boosted physician contact hours billed to patients from 200 to 250 hours. Suppose Dr. Young, guided by the linear cost function, rejected this job because it would have brought a total increase in contribution margin of $9,000, before deducting the predicted increase in total overhead cost, $10,000. What is the total contribution margin actually forgone?
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Compute the linear cost function, relating total overhead costs to physician contact hours, using the representative observations of 200 and 300 hours. Plot the linear cost function. Does the constant component of the cost function represent the fixed overhead costs of Young and Associates? Why?
The managing director of a consulting group has the accompanying monthly data on total overhead costs and professional labor hours to bill to clients. Complete parts a through c.
Click the icon to view the monthly data.
a. Develop a simple linear regression model between billable hours and overhead costs.
Overhead Costs = +xBillable Hours
X
Monthly Overhead Costs and Billable Hours Data
(Round the constant to one decimal place as needed. Round the coefficient to four decimal places as needed. Do not include the $ symbol in your answers.)
Overhead Costs
Billable Hours
0
$315,000
3,000
$365,000
4,000
$395,000
5,000
$447,000
6,000
$530,000
7,000
$550,000
8,000
2. The administrator of ABC Hospital would like to know the relationship between the costs of admitting in relation to the number of patients being admitted and determine the cost formula. The following are the related data for the past five months that will be used determine such cost formula.Month | # of Patients Admitted |Admitting CostsJanuary 1,800 P 14,700February 1,900 P 15,200March 1,700 P 13,700April 1,600 P 14,000May 1,500 P 14,300The controller suggested to use the high-low method approach to derive for the cost formula. If the controller’s suggestion is to be followed:How much would be the total fixed costs?
Chapter 10 Solutions
Horngren's Cost Accounting: A Managerial Emphasis (16th Edition)
Ch. 10 - What two assumptions are frequently made when...Ch. 10 - Describe three alternative linear cost functions.Ch. 10 - What is the difference between a linear and a...Ch. 10 - High correlation between two variables means that...Ch. 10 - Name four approaches to estimating a cost...Ch. 10 - Describe the conference method for estimating a...Ch. 10 - Describe the account analysis method for...Ch. 10 - List the six steps in estimating a cost function...Ch. 10 - When using the high-low method, should you base...Ch. 10 - Describe three criteria for evaluating cost...
Ch. 10 - Define learning curve. Outline two models that can...Ch. 10 - Discuss four frequently encountered problems when...Ch. 10 - Prob. 10.13QCh. 10 - All the independent variables in a cost function...Ch. 10 - Multicollinearity exists when the dependent...Ch. 10 - HL Co. uses the high-low method to derive a total...Ch. 10 - A firm uses simple linear regression to forecast...Ch. 10 - In regression analysis, the coefficient of...Ch. 10 - A regression equation is set up, where the...Ch. 10 - What would be the approximate value of the...Ch. 10 - Estimating a cost function. The controller of the...Ch. 10 - Identifying variable-, fixed-, and mixed-cost...Ch. 10 - Various cost-behavior patterns. (CPA, adapted)....Ch. 10 - Matching graphs with descriptions of cost and...Ch. 10 - Account analysis, high-low. Stein Corporation...Ch. 10 - Account analysis method. Gower, Inc., a...Ch. 10 - Prob. 10.27ECh. 10 - Estimating a cost function, high-low method. Lacy...Ch. 10 - Linear cost approximation. Dr. Young, of Young and...Ch. 10 - Cost-volume-profit and regression analysis....Ch. 10 - Regression analysis, service company. (CMA,...Ch. 10 - High-low, regression. May Blackwell is the new...Ch. 10 - Learning curve, cumulative average-time learning...Ch. 10 - Learning curve, incremental unit-time learning...Ch. 10 - High-low method. Wayne Mueller financial analyst...Ch. 10 - High-low method and regression analysis. Market...Ch. 10 - High-low method; regression analysis. (CIMA,...Ch. 10 - Regression, activity-based costing, choosing cost...Ch. 10 - Interpreting regression results. Spirit...Ch. 10 - Cost estimation, cumulative average-time learning...Ch. 10 - Cost estimation, incremental unit-time learning...Ch. 10 - Regression; choosing among models. Apollo Hospital...Ch. 10 - Multiple regression (continuation of 10-42). After...Ch. 10 - Cost estimation. Hankuk Electronics started...Ch. 10 - Prob. 10.45PCh. 10 - Interpreting regression results, matching time...Ch. 10 - Purchasing department cost drivers, activity-based...Ch. 10 - Purchasing department cost drivers, multiple...
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