Aviatrix Avionics makes three types of radios for small aircraft - Model A, Model B, and Model C. The manufacturing operations are mechanized, and there is no direct labor. Manufacturing overhead costs are significant, and Aviatrix has adopted an activity-based costing system. Direct materials costs per unit for each model are as follows: Model A Model B Model C $22 $31 $38 Aviatrix has three activities-assembly, materials management, and testing. The cost driver for assembly is machine hours. The cost driver for materials management is the number of parts, and the cost driver for testing is the number of units of product. Total costs and production volumes for the year were estimated as follows: Allocation Total cost Base Cost Driver Machine hours Assembly Materials management Testing $784,000 $ 132,000 $26,000 122,500 88,000 5200 Parts Units The Model A radio requires 12 parts manufacturing cost to make one unit of Model A? (Round any intermediate calculations to the nearest cent, and your final answer to the nearest dollar.) $45 Od $173 $168 $151