Current Attempt in Progress

Vaughn Company is considering a long$-$term investment project called ZIP. ZIP will require an investment of $$129\mathrm{.}888.$ It will have a useful life of $4$ years and no salvage value. Annual cash inflows would increase by $$79,700,$ and annual cash outflows would increase by $$40,100.$ Compute the cash payback period. $($Round answer to $2$ decimal places, eg$.10\mathrm{.}52.)$

Cash payback period years