Best Car, Inc is trying to predict what manufacturing overhead will be for Septe
ID: 340908 • Letter: B
Question
Best Car, Inc is trying to predict what manufacturing overhead will be for September. The following selected data were taken from the accounting records of Best Car:
Month
Machine hours
Manufacturing Overhead
May
46,000
890,000
June
60,000
1,150,000
July
70,000
1,300,000
August
55,000
950,000
Required:
1) By using the high-low method, calculate Best Car variable manufacturing overhead cost
2) Calculate the monthly fixed portion from b above
3) Assume that present cost behavior patterns continue into future months. Estimate the total amount of manufacturing overhead the company can expect in September if 56,000 machine hours are worked.
Month
Machine hours
Manufacturing Overhead
May
46,000
890,000
June
60,000
1,150,000
July
70,000
1,300,000
August
55,000
950,000
Explanation / Answer
1)- By using the high-low method, calculate Best Car variable manufacturing overhead cost =$17.08 per machine hour
2)- Monthly fixed portion=$104400
3)-Total amount of manufacturing overhead=Variable + Fixed
=(56000 machine hour*17.08 per machine hour)+$104400
=$956480+$104400
=$1060880
Explanation:-
High-Low Method:-
Variable cost per unit (x) is calculated using the following formula:
Variable cost per unit=a2-a1/b2-b1
Where,
a2 is the total cost at highest level of activity;
a1 is the total cost at lowest level of activity;
b2 are the number of units at highest level of activity; and
b1 are the number of units at lowest level of activity
Total Fixed Cost
Total fixed cost (a) is calculated by subtracting total variable cost from total cost, thus:
Total Fixed Cost = a2 – x*b2 = a1 – x*b1
We have,
at highest activity: b2 = 70000; a2 = $1300000
at lowest activity: b1 = 46000; a1 = $890000
Variable Cost per machine hour = ($1300000 $890000) ÷ (70000 46000)
= $410000/24000 hours =$17.08 per machine hour
Total Fixed Cost = $1300000 ($17.08 × 70000) = $1300000 – $1195600 =$104400
Variable cost per unit=a2-a1/b2-b1
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