Single Plantwide Factory Overhead Rate If required, round all per-case answers to the nearest cent. a. Determine the single plantwide factory overhead rate. X per processing hour If required, round all per-case answers to the nearest cent. a. Determine the single plantwide factory overhead rate. X 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. Feedback Theck My Work a. First calculate: Budgeted production volume for each product x Processing hours. Add together to obtain total processing hours. Recall that factory overhead does not include selling and administrative expenses. Divide the total of overhead costs by total processing hours to obtain the overhead rate. b. Calculate