Question

Nation’s Capital Fitness, Inc., operates a chain of fitness centers in the Washington, D.C., area. The...

Nation’s Capital Fitness, Inc., operates a chain of fitness centers in the Washington, D.C., area. The firm’s controller is accumulating data to be used in preparing its annual profit plan for the coming year. The cost behavior pattern of the firm’s equipment maintenance costs must be determined. The accounting staff has suggested the use of the high-low method to develop an equation, in the form of  Y = a + bX, for maintenance costs. Data regarding the maintenance hours and costs for last year are as follows:

Month Hours of Maintenance
Service
Maintenance
Costs
January 560 $ 5,374
February 480 4,190
March 250 2,770
April 500 4,260
May 360 2,990
June 440 4,140
July 350 3,070
August 420 3,550
September 460 3,950
October 360 3,280
November 380 3,260
December 350 3,090
Total 4,910 $ 43,924
Average 409 * $ 3,660 *

*Rounded

1. Using the high-low method of cost estimation, estimate the behavior of the maintenance costs incurred by Nation’s Capital Fitness, Inc. Express the cost behavior pattern in equation form.

2.Using your answer to requirement 1, what is the variable component of the maintenance cost?

3. Compute the predicted maintenance cost at 640 hours of activity.

4-a. Compute the variable cost per hour and the fixed cost per hour at 650 hours of activity.

4-b. Why is the fixed cost per hour possibly misleading?

  • Because it will not change as the number of hours changes.

  • Because it will change as the number of hours changes.

Homework Answers

Answer #1
  • Working

Month

Units

Cost

High Level

Jan

                                560

$                     5,374.00

Low Level

Mar

                                250

$                     2,770.00

Difference

                                310

$                     2,604.00

A

Difference in Cost

$                     2,604.00

B

Difference in units

                                  310

C = A/B

Variable cost per unit

$                           8.400

Working

High Level

Low Level

A

Total Cost

$                   5,374.00

$                     2,770.00

B

Total Units

560

250

C

Variable cost per unit

$                           8.40

$                             8.40

D = B x C

Total Variable cost

$                   4,704.00

$                     2,100.00

E = A - D

Total Fixed Cost

$                       670.00

$                         670.00

  • Requirement 1

Y = a + bX
Y = $ 670 + ($8.40) X

  • Requirement 2
    Variable component of maintenance cost = $ 8.40 per hour
  • [3]
    Predicted cost = $ 670 + (640 hours x $ 8.40)
    = 670 + 5376
    = $ 6046
  • [4a]
    Variable cost per hour = $ 8.40
    Fixed Cost per hour = $ 670 / 650 hours = $ 1.03
  • [4b]
    Because it will change as the number of hours changes.
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