Single plantwide factory oveshead rate Platzer Instruments Inc makes three musical instruments: flutes, dorinets, and oboes. The budgeked factory overhead cost is s100,480, Overtiead is allocated to the three products on the basis of direct labor hours. The products have the following budgeted production volume and direct iabor hours per unit: If required, round all per unit answers to the nearest cent. a. Determine the single plantwide overhead rate. X per direct labor hour