20. (10 points) Metal Casting (MC) Inc. currently uses a job costing system that allocates overhead based on direct labor hours. Costs for it two metal plate products MP21 & MP22 are: Units produced Direct materials used Direct labor Factory overhead applied MP21 12,000 $37,200 $ 32,400 $6,000 MP22 8,000 $ 24,800 $ 21,600 $ 4,000 a. Calculate the total cost per unit for each product MP21 & MP22 using the current allocation system. MC has gathered the following ABC information. ABC Rate $75/design hour Design Costs Machine Setups Purchasing $240/setup $125/purchase order MP21 28 hrs. Activity Usage MP22 85 hrs. 8 setups 15 setups 5 orders 10 orders. b. Calculate the total cost per unit for each product MP21 & MP22 using the ABC method for allocating overhead (round your solutions to the nearest two decimals-dollars and cents). c. For the MP22 product and based on your analysis discuss the impact to profitability if MC continues using the current job costing method to allocate overhead. 120