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	$366,500		Number of purchase orders
Scheduling	249,200		Number of production orders
Materials handling	483,100		Number of moves
Product development	702,200		Number of engineering changes
Production	1,541,000		Machine hours

	Number of Purchase Orders	Number of Production Orders	Number of Moves	Number of Engineering Changes	Machine Hours	Number of Units
Disk drives	3,910	410	1,470	13	2,300	2,500
Tape drives	1,900	175	760	3	9,800	3,700
Wire drives	12,500	990	4,500	27	11,100	2,600

The activity rate for the procurement activity cost pool is

a.$66.42 per purchase order

b.$20.02 per purchase order

c.$232.70 per purchase order

d.$158.22 per purchase order