Paytack comparisons Nova Products fas a Syear manmum acceptable nayback period. The fum is considering ihe purchase of a new machine and must choose bewoen moo aiternoves. The fina machine St, 000 lor 20 years a. Devmine the paytack period tor each machine? c. Which mactune should the frm buy? Wer? a. Does tis problem iustate any of the paptack methods weaknesses? a. The pantiak penod kor the Inam machine in years. (Round to wo decimal places)