Single Plantwide Factory Overhead Rate Mozart Music Inc. makes three musical instruments: trumpets, tubas, and trombones. The budgeted factory overhead cost is $149,400. Factory overhead is allocated to the three products on the basis of direct labor hours. The products have the following budgeted production volume and direct labor hours per unit: If required, round all per unit answers to the nearest cent. a. Determine the single plantwide factory overhead rate. $ per direct labor hour b. Use the factory overhead rate in (a) to determine the amount of total and per-unit factory overhead allocated to each of the three products