Panamint Systems Corporation is estimating activity costs associated with producing disk drives, tapes drives, and wire drives. The indirect labor can be traced to four separate activity pools. The budgeted activity cost and activity base data by product are provided below.

				Activity Cost							Activity Base
Procurement				$362,900							Number of purchase orders
Scheduling				$236,700							Number of production orders
Materials handling				$429,000							Number of moves
Product development				$708,800							Number of engineering changes
Production				$1,535,800							Machine hours
	Number of Purchase Orders			Number of Production Orders				Number of Moves			Number of Engineering Changes				Machine Hours			Number of Units
Disk drives	4,040			430				1,460			10				2,500			2,200
Tape drives	2,500			125				740			3				8,900			3,600
Wire drives	12,500			850				4,400			20				10,000			2,400

Determine the activity rate for procurement per purchase order.

a.$258.29

b.$168.47

c.$71.77

d.$19.06