Waymire Ltd currently uses a traditional costing system base
Waymire Ltd. currently uses a traditional costing system based on direct labour hours to allocate overhead. This year, the company has budgeted to produce 2159 units of one of its products. Each unit requires 3 hours of direct labour.
For the coming year, the company is considering changing to an activity based costing system by allocating overhead based on 3 activities. The following are the activities, budgeted total cost and cost drivers per activity for the upcoming year:
Activity
Cost driver
Cost
Cost Base Volume
Processing
machine hours
$810292
17928
Assembly
direct labour hours
$405734
98745
Inspection
# of inspections
$709593
42704
Waymire Ltd. has estimated the consumption of each of the activities for this product: 1817 machine hours and 3048 inspections.
What is the product’s overhead cost per unit if Waymire continues to allocate overhead using the current costing system?
Select one:
a. $73.82
b. $19.50
c. $58.50
d. $12.33
| Activity | Cost driver | Cost | Cost Base Volume |
| Processing | machine hours | $810292 | 17928 |
| Assembly | direct labour hours | $405734 | 98745 |
| Inspection | # of inspections | $709593 | 42704 |
Solution
Calculate overhead cost per unit if current costing system :
Overhead cost per unit = 2159*3*19.50/2159 = 58.50 per unit
so answer is c) $58.50
| Processing | 810292 |
| Assembly | 405734 |
| Inspection | 709593 |
| Total overhead cost | 1925619 |
| Total direct labour hour | 98745 |
| Labour hour per unit | 19.50 per hour |

