Exercise 4-7 Using the plantwide overhead rate to assess prices LO P1 Way Cool produces two different models of air conditioners. The company produces the mechanical systems in their components department. The mechanical systems are combined with the housing assembly in its finishing department. The activities, costs, and drivers associated with these two manufacturing 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 Process ActivityOverhead Cost Driver Components Changeover $452,800 300,600 227,580 $980,100 Number of batches Machine hours Number of setups 910 7,66 Machining Setups 180 180,200 Welding hours 235,000 Number of inspections 5,100 785 270 Finishing Welding Inspecting' Rework 60,600 Rework orders $475,800 $135,500 30,558 60,170 Purchase orders Number of units Number of units 518 5,180 Support Purchasing Providing space Providing utilities 5,100 226,220