Coronado, Inc. manufactures two products: missile range instruments and space pressure gauges. During April, 50 range instruments and 200 pressure gauges were produced, and overhead costs of $81,470 were estimated. An analysis of estimated overhead costs reveals the following activities. Activities Cost Drivers Total Cost 1. Materials handling Number of requisitions $31,350 2. Machine setups Number of setups 28,280 3. Quality inspections Number of inspections 21,840 $81,470 The cost driver volume for each product was as follows. Cost Drivers Instruments. Gauges Total Number of requisitions 420 625 1,045 Number of setups 185 320 505 Number of inspections 255 265 520