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Allocate overhead using a single plantwide rate, multiple department rates, and activity-based costing Big Sound Inc. manufactures two products: receivers and loudspeakers. The factory overhead incurred is as follows: The activity base associated with the two production departments is direct labor hours. The indirect labor can be assigned to two different activities The activity-base usage quantities and units produced for the two products follow: ermine a plantwide overhead rate based upon direct labor hours. tabor overhead rate: $ per direct labor hour termine the total and per-unit factory overhead costs allocated to each product, using the plantwide overhead rate in (1). Round per unit amount. st whole cent. termine the factory overhead rates under the multiple production department rate method. Assume that indirect labor is associated with the product tments, so that the total factory overhead is $420,000 and $294,000 for the Subassembly and Final Assembly departments, respectively. etermine the total and per-unit factory overhead costs allocated to each product, using the multiple production department overhead rates in (3). Rou unts to the nearest whole cent. Determine the activity rates, assuming that the indirect ihor is associated with activities rather than with the production departments. Round per unit nearest whole cent. Determine the total and per-unit cost assigned to each product under activity-based costing. Round the per unit amounts to the nearest whole cent 7. Comment on the differences in the per-unit overhead alstated to each product using the single piantwide factory overthead rate method, the ittulinite iereduetion department foctory overhead rate method, and activity-based costing. The plantwide overhend methad allocates s to receivers and 4 to loudupeakers. Both the plantwide and mutiple praduction department overhead methods overhesd because they overhesd to recelvers and to loudipeakers. Activity.based costing Cfor how each product consumes overhead. Loudspeakers have Gquality control inspections than do receivers. As a result, loudspeakers have