Problem 3-16A Part 2 2. Management is considering using activity-based costing to assign manufacturing overhead cost to products. The activity-based costing system would have the following four activity cost pools: Activity Cost Pool Activity Measure Estimated Overhead Cost Maintaining parts inventory Number of part types $ 225,000 Processing purchase orders Number of purchase orders 182,000 Quality control Number of tests run 45,000 Machine-related Machine-hours 460,000 $ 912,000 Expected Activity Activity Measure LEC 40 LEC 90 Total Number of part types 600 900 1,500 Number of purchase orders 2,000 800 2,800 Number of tests run 500 1,750 2,250 Machine-hours 1,600 8,400 10,000 Determine the activity rate for each of the four activity cost pools. (Round your answers to 2 decimal places.)