A manufacturer uses activity-based costing to assign overhead costs to products. Budgeted cost information for selected activities for next year follows Purchasing Cleaning factory Providing utilities $81,400 28,000 50,120 Purchase orders 3,700 purchase orders 4,200 aquare feet 4,200 square feet Square feet Square feet 7 Compute activity rates for each of the cost pools. (Round your answers to 2 decimal places,) 7:57 ivity cost pool Amount of Activity Overhead Rate Costs Purchasing 3,700 per purchase order Factory per square foot 4,200