Single. Plantwide Factory Overhead Rate Scrumptious Snacks Inc. manufactures three types of snack foods: tortilla chips, potato chips, and pretzels. The company has budgeted the following costs for the upcoming period: Factory overhead is allocated to the three products on the basis of processing hours. The products had the following production budget and processing hours per case: If required, round all per unit 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