91. Thurman Brothers Construction manufactures and installs standard and custom-made cabinetry for
residential homes. Last year, the company incurred $600,000 in overhead costs when a total of 10,000 direct
labor hours were incurred. After implementing activity-based costing (ABC), the company’s accountant
identified the following related information:
Material delivery and handling
Number of purchase orders
The number of activities for standard and custom-made cabinets is as follows:
Number of purchase orders
During the past year, Thurman accepted a customer order for a set of custom-made cabinets that would require the following:
Number of purchase orders
Required:
How much overhead would be applied to the job if traditional costing using direct labor hours as the cost driver were used?
Using activity-based costing (ABC), what would be the overhead rate for each of the four activities?
Using activity-based costing (ABC), what would be the total overhead applied to the above job?
Compare the overhead applied using traditional costing to ABC costing and remark on the difference. Which one do you think is more
accurate?
B.
Material delivery and handling:
($600,000 ´ 30%) ¸ 1,200 = $150 per delivery
Inspections:
($600,000 ´ 25%) ¸ 1,000 = $150 per inspection
Supervision:
($600,000 ´ 20%) ¸ 3,000 = $ 40 per supervisor hour
Purchasing:
($600,000 ´ 25%) ¸ 1,200 = $125 per purchase order
C.
Material delivery and handling:
$150 ´ 4 = $ 600
Inspections:
$150 ´ 5 = 750
Total overhead allocated using ABC
$1,930