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Pineapple Motor Company manufactures two types of specialty electric motors, a commercial motor and a residential motor, through two production departments, Assembly and Testing. Presently, the company uses a single plantwide factory overhead rate for allocating factory overhead to the two products. However, management is considering using the multiple production department factory overhead rate method. The fettewing factory overhead was budgeted for Pineapple Assembly Department $210,000 Testing Department 772,800 $982,800 Total Total Direct machine hours were estimated as follows: Assembly Department 4,200 hours Testing Department 8,400 12,600 hours In addition, the direct machine hours (umh) used to produce a unit of each product in each department were determined from engineering records, as follows: Commercial Residential Assembly Department 0.50 dmh 1.00 dmh Testing Department 1.00 2.00 Total machine hours per unit 1.50 dmh 3.00 dmh .. Determine the per-unit factory overhead allocated to the Commercial and Residential motors under the single plantwide factory overhead rate method, using direct machine hours as the allocation base. Commercial Motor per unit Residential Motor per unit b. Determine the per unit factory overhead allocated to the Commercial and Residential motors under the multiple production department factory overhead rate method, using direct machine hours as the allocation base for each department. Der unit Commercial Motor Residential Motor per unit