Single plantwide factory overhead rate Bach Instruments Inc. makes three musical instruments: flutes, clarinets, and oboes. The budgeted factory overhead cost is $90,220. Overhead is allocated to the three If required, round all per unit answers to the nearest cent. a. Determine the single plantwide overhead rate. $ per direct labor hour b. Use the overhead rate in (a) to determine the amount of total and per-unit overhead allocated to each of the three products