Heartland Paper Company is considering the purchase of a new high-speed cutting machine. Two cutting machine manufacturers have approached Heartland with proposals: (1) Toledo Tools and (2) Akron Industries. Regardless of which vendor Heartland chooses, the following incremental cash flows are expected to be realized.

Year	Incremental Cash Inflows				Incremental Cash Outflows
1	$	27,000			$	22,000
2		28,000				23,000
3		33,000				28,000
4		36,000				31,000
5		35,000				30,000
6		34,000				29,000

a. If the machine manufactured by Toledo Tools costs $30,000, what is its expected payback period?

b. If the machine manufactured by Akron Industries has a payback period of 60 months, what is its cost? (Machine cost ?)

c. Which of the machines is most attractive based on its respective payback period? (Akron or Toledo)