Evergreen Lawnmowers is considering the purchase of a new machine costing

$816,000.

The company's management is estimating that the new machine will generate additional cash inflows of

$180,000

a year for ten years and have a residual value of

$64,000

at the end of ten years. What is the machine's payback period? (Round your answer to two decimal places.)

A.7.48 years

B.3.33 years

C.4.53 years

D.4.25 years