Answer:
The correct answer is A.
Step-by-step explanation:
First, we need to calculate the activities rates:
Assembly= 1,372,578/61,800= $22.21 per machine-hour
Processing orders= 63,235/2,010= $31.46 per order
Inspection= 151,316/2,090= $72.4 per inspection-hour
Now, we allocate costs to W26B:
Assembly= 22.21*1,200= 26,652
Processing orders= 31.46*78= 2,453.88
Inspection= 72.4*34= 2,461.6
Total allocated costs= $31,567.48
Finally, the unitary cost and margin for W26B:
Unitary allocated cost= 31,567.48/600= $52.61
Unitary total cost= 49.55 + 12.44 + 52.61= $114.6
Product margin= 128.7*600 - 114.6*600= $8,460