Fast Company has established the following overhead cost pools and cost drivers for the month of May: Cost Pool Purchase orders Machine setups Electricity Overhead Costs $ 25,040 50,000 25,000 Cost Driver Levels 40 orders 100 setups 25,000 kilowatt hours The following information pertains to the actual consumption of activity resources for two sample jobs completed during May. Job M1 470 15 Number of units produced Number of purchase orders Number of setups Number of kilowatt hours Job M2 940 10 10 940 10 470 What is the activity-based overhead rate per purchase order? Multiple Choice $641. $626. $611. $510 $470