Exercise 17-14 (30 minutes)
Calculation of predetermined overhead rates to apply ABC
Overhead Cost
Category (Activity
Cost Pool)
Total
Cost
Total
Amount of
Cost Driver Predetermined Overhead Rate
Supervision…….………......$ 5,400 $36,000 15% of direct labor cost
1. Assignment of overhead costs to the two products using ABC
Rounded edge
Cost
Driver
Cost per
Driver Unit Assigned Cost
Supervision…………..…………... $12,200 15% $ 1,830
Machinery depreciation......... 500 hours $ 28.30 14,150
Squared edge
Cost
Driver
Cost per
Driver Unit Assigned Cost
Supervision…………..…………... $23,800 15% $ 3,570
2. Average cost per foot of the two products
Rounded edge Squared edge
Direct materials ….….…….……...... $19,000 $ 43,200
Direct labor ……………………………. 12,200 23,800
Overhead (using ABC) …….......... 23,340 84,660
*rounded
3. Using ABC, the average cost of rounded edge shelves declines and the
average cost of squared edge shelves increases. Under the current