The controller of Ivanhoe Industries has collected the following
monthly expense data for use in analyzing the cost behavior of
maintenance costs.
Month |
Total |
Total |
|||
---|---|---|---|---|---|
January | $2,630 | 340 | |||
February | 2,930 | 390 | |||
March | 3,530 | 540 | |||
April | 4,430 | 650 | |||
May | 3,130 | 540 | |||
June | 5,230 |
740 |
1. Determine the variable cost components using the high-low method. (write out each step and why)
Answer : Calculation of variable cost components using the high-low method.
Variable Cost Component
= (Highest Maintenance cost - Lowest Maintenance Cost) / Highest Machine Hours - Lowest Machine Hours
where,
Highest Maintenance cost is in month June = $5,230
Highest Machine Hours is in month June = 740 hours
Lowest Maintenance cost is in month Jan = $2,630
Lowest Machine Hours is in month Jan = 340 hours
Variable Cost = ( $5,230 - $2,630 ) / ( 740 hours - 340 hours )
= $2,600 / 400 hours
= $6.5 per machine hour
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