Proposals L and K each cost $600,000, have 6-year lives, and have expected total cash flows of $720,000. Proposal L is expected to provide equal annual net cash flows of $170,000, while the net cash flows for Proposal K are as follows:

Year 1 $250,000

Year 2 200,000

Year 3 100,000

Year 4 50,000

Year 5 100,000

Year 6 20,000

total $720,000

Determine the cash payback period for each proposal. Round your answers to two decimal places, if necessary.

Proposal L ?? years

Proposal K ?? years