Colby Limited is a manufacturing company whose total factory overhead costs fluctuate somewhat from year to year, according to the number of machine-hours worked in its production facility. These costs at high and low levels of activity over recent years are given below: Machine-hours Total factory overhead costs Indirect materials (variable) Rent (fixed) Maintenance (mixed) Total factory overhead costs The factory overhead costs above consist of indirect materials, rent, and maintenance. The company has analyzed these costs at the 60,500 machine-hours level of activity as follows: Maintenance cost Level of Activity Low 60,500 $34,179,000 For planning purposes, the company wants to break down the maintenance cost into its variable and fixed cost elements. Required: 1. Estimate how much of the factory overhead cost of $38,139,000 at the high level of activity consists of maintenance cost. $ 8,561,500 Y= High 80,500 $38,139,000 $ 9,377,500 17,100,000 7,701,500 $34,179,000 X 2. Using the high-low method, estimate a cost formula for maintenance. 3. What total overhead costs would you expect the company to incur at an operating level of 65,500 machine-hours?

Cornerstones of Cost Management (Cornerstones Series)
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Author:Don R. Hansen, Maryanne M. Mowen
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Chapter4: Activity-based Costing
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Colby Limited is a manufacturing company whose total factory overhead costs fluctuate somewhat from year to year, according to the
number of machine-hours worked in its production facility. These costs at high and low levels of activity over recent years are given
below:
Machine-hours
Total factory overhead costs
Indirect materials (variable)
Rent (fixed)
Maintenance (mixed)
Total factory overhead costs
The factory overhead costs above consist of indirect materials, rent, and maintenance. The company has analyzed these costs at the
60,500 machine-hours level of activity as follows:
Maintenance cost
$ 8,561,500
Y=
Level of Activity
Low
For planning purposes, the company wants to break down the maintenance cost into its variable and fixed cost elements.
Required:
1. Estimate how much of the factory overhead cost of $38,139,000 at the high level of activity consists of maintenance cost.
60,500
$34,179,000
X
Total factory overhead costs
High
80,500
$38, 139,000
$ 9,377,500
17,100,000
7,701,500
$34,179,000
2. Using the high-low method, estimate a cost formula for maintenance.
3. What total overhead costs would you expect the company to incur at an operating level of 65,500 machine-hours?
Transcribed Image Text:Colby Limited is a manufacturing company whose total factory overhead costs fluctuate somewhat from year to year, according to the number of machine-hours worked in its production facility. These costs at high and low levels of activity over recent years are given below: Machine-hours Total factory overhead costs Indirect materials (variable) Rent (fixed) Maintenance (mixed) Total factory overhead costs The factory overhead costs above consist of indirect materials, rent, and maintenance. The company has analyzed these costs at the 60,500 machine-hours level of activity as follows: Maintenance cost $ 8,561,500 Y= Level of Activity Low For planning purposes, the company wants to break down the maintenance cost into its variable and fixed cost elements. Required: 1. Estimate how much of the factory overhead cost of $38,139,000 at the high level of activity consists of maintenance cost. 60,500 $34,179,000 X Total factory overhead costs High 80,500 $38, 139,000 $ 9,377,500 17,100,000 7,701,500 $34,179,000 2. Using the high-low method, estimate a cost formula for maintenance. 3. What total overhead costs would you expect the company to incur at an operating level of 65,500 machine-hours?
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