XYZ is considering two proposed machinery investments. Proposals A and B each cost $600,000, have 6-year lives, and have expected total cash flows of $750,000. Proposal A is expected to provide equal annual net cash flows of $125,000 while the net cash flows for Proposal B are as follows: Year 1 $250,000 Year 2 $200,000 Year 3 $150,000 Year 4 $ 75,000 Year 5 $ 50,000 Year 6 $ 25,000 Determine the cash payback period for Proposal A and B. Show all calculations. Rounds answers to 1 decimal place.