Answer:
a) $56,054.
Step-by-step explanation:
The computation of the amount of the total office expenses that should be allocated to Grinding for the current period is shown below:
= Salaries + Depreciation + Advertising
= (31,000 ÷ 2700) × 1620 + (20,500 ÷ 204,000) × 127,500 + (41,500 ÷ 804,000) × 477,375
= $56,054
Hence, the first option is correct