Dukes Company is considering the acquisition of a machine that costs $390,008.00. The machine is expected to have a useful life of 6 years, a negligible residual value, an annual cash flow of $90,699.53, and annual operating income of $89,092.00. Determine the estimated cash payback period for the machine (round to one decimal point).

Select the correct answer.

3 years

2.5 years

4.3 years

5 years