Pina Colada Company is considering investing in new equipment that will cost $$1,421,000$ with a $10$year useful life. The new equipment is expected to produce annual net income of $$52,600$ over its useful life. Depreciation expense, using the straight$-$line rate, is $$142,100$ per year.

Compute the cash payback period. $($Round answer to $1$ decimal place, e$.$g$.15\mathrm{.}2.)$

Cash payback period $$ years