Answer:
a. $56
b. $95
Explanation:
The computation is shown below:
a, The total monthly activity-based cost for Corner Cleaners Inc is
= $3.50 Ă— 12 + $0.12 Ă— 100 + $0.10 Ă— 20
= $42 + $12 + $2
= $56
b  the total activity-based cost for Campbell’s visit i
= $8 Ă— 1 + $25 Ă— 3 + $4 Ă— $3
= $8 + $75 + $12
= $95
Hence, the same should be considered and relevant