Check my work A manufacturer uses activity-based costing to assign overhead costs to products. Budgeted cost information for selected activities for next year follows. Activity Purchasing Cleaning factory Providing utilities Expected CostCost Driver $113,400 P urchase orders 30,500 Square feet 59,270 Square feet Expected Usage of Cost Driver 4,200 purchase orders 4,700 square feet 4,700 square feet Compute activity rates for each of the cost pools. (Round your answers to 2 decimal places.) Activity cost pool Expected Costs Expected Amount of Cost Driver Activity Overhead Rate 4.200 Purchasing Factory per purchase order per square foot 4.700