A machine with an initial purchase price of $29100 has a useful life of 10 years. The usage of this machine is forecasted to bring us the savings in the table below. At an interest rate of 0% how many years will it take to payback the investment?

Year	1	2	3	4	5	6	7	8	9	10
Savings, $	7000	9000	5000	3000	4000	6000	5000	6000	4000	7000

		1-2 years
		2-3 years
		3-4 years
		4-5 years
		5-6 years
		6-7 years
		7-8 years
		8-9 years
		More than 8 years