Exercise 17-7 Using the plantwide overhead rate to assess prices LO P1 Way Cool prod systems in the assembly in its uces two different models of air conditioners. The company produces the mechanical ir components department. The mechanical systems are combined with the housing finishing department. The activities, costs, and drivers associated with these two cturing processes and the production support process follow. (Loss amounts should be indicated with a minus sign. Round your intermediate calculations and round "Cost per unit and OH rate answers to 2 decimal places.) Quantity 770 7,650 160 Activity Overhead Cost Driver rocess 456,000 Number of batches 301,400 Machine hours 227,000 Number of setups Components Changeover Machining Setups $ 984,400 4,500 815 200 FinishingWelding $ 180,700 Welding hours 225,000 Number of inspections Inspecting Rework 62,000 Rework orders $ 467.700 Support Purchasing Providing space Providing utilities $134,000 31,200 60,370 Purchase orders Number of units Number of units 540 6,000 6,000 225,570