If required, round all per-case answers to the nearest cent. a. Determine the single plantwide factory overhead rate. $ per processing hour b. Use the overhead rate in (a) to determine the amount of total and per-case overhead allocated to each of the three products under generally accepted accounting principles. If required, round all per unit answers to the nearest cent. netermine the plantwide factory overhead rate. per dlh . Determine the factory overhead and direct labor cost per unit for each product. Feedback > Check My Work a. First calculate: Volume x Direct Labor Hours per Unit = Direct Labor Hours per Product. Add all product hours for total direct labor hours. Next: Total Budgeted Factory Overhead Total Budgeted Plantwide Allocation Base = Single Plantwide Factory Overhead Rate b. Calculate: Factory Overhead Cost per Unit = Rate from Req. (a) x Direct Labor Hours per Unit Direct Labor Cost per Unit = Direct Labor Rate x Direct Labor Hours per Unit