Assume a Firm Uses Job Costing

Multiple Choice

Assume a firm uses job costing. Which of the following is NOT a good reason to use departmental overhead rates rather than a single plantwide rate?

A) Total overhead costs amount to about 5 per cent of total prime costs.
B) The various products made by the firm follow different sequences of manufacturing activities.
C) Overhead costs in some departments are a very large proportion of total department cost, but are a very small proportion in other departments.
D) The firm makes multiple products using common equipment and employees.