Proposals M and N each cost $550,000, have 6-year lives, and have expected total cash flows of $750,000. Proposa M is expected to provide eq cash flows for Proposal N are as follows annual net cash flows of $125,000, while the net Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 $250,000 200,000 150,000 75,000 50,000 25,000 $750,000 Determine the cash payback period for each proposal. Round your answers to three decimal places. Proposal M Proposal N years years