Peet's Corp is considering the purchase of a new piece of equipment. The cost savings from the equipment would result in an annual increase in cash flow of $100,000. The equipment will have an initial cost of $400,000 and have a 5 year life. If the salvage value of the equipment is estimated to be $75,000, what is the payback period? Ignore income taxes.
a. 3.25 years
b. 4.00 years
c. 4.75 years
d. 7.00 years