BAP Corporation is reviewing an investment proposal. The initial cost is $104,200. and estimates of the book value of the investment at the end of each year, the net cash flows for each year, and the net income for each year are presented in the schedule below. All cash flows are assumed to take place at the end of the year. The salvage value of the investment at the end of each year is equal to its book value. There would be no salvage value at the end of the investments life. investment proposal: year one book value, $69,300 annual cash flows, $45,900, annual net income $11,000 year two book value, $42,100 annual cash flows, $40,300, annual net income $13,100 year three book value, $21,100 annual cash flows, $36,00, annual net income $15,00 year four book value, $7,700 annual cash flows, $30,800, annual net income $17,400 year five book value, $0 annual cash flows, $26,745, annual net income $19,045 the corporation uses an 11% target rate of return for new investment proposals. what is the cash payback period for this proposal?