Acme Physicians wants to buy a new X-ray machine It will cost 75,000 dollars. They will need to hire a new X-ray tech for 25,000 a year. Maintenance on the new machine will cost 5,000 a month. The projected cash flow is 17,000 a year during its useful life of 4 years. What is the payback period?

4.30

3.25

3.14

4.41