Dukes Company is considering the acquisition of a machine that costs $339,724.00. The machine is expected to have a useful life of 6 years, a negligible residual value, an annual cash flow of $79,005.58, and annual operating income of $87,282.00. Determine the estimated cash payback period for the machine (round to one decimal point).
5 years
2.5 years
3 years
4.3 years