Dyi construction co. is considering a new inventory system that will cost $750,000. the system is expected to generate positive cash flows over the next four years in the amounts of $350,000 in year one, $325,000 in year two, $150,000 in year three, and $180,000 in year four. dyi's required rate of return is 8%. what is the payback period of this project? select one: a. 2.50 years b. 3.09 years c. 2.91 years d. 4.00 years