Your form has estimated the following cash flows for a capital investment project. The firm's required rate of return is 12%. Which of the following is closest to the payback period for the project? Cash Flow -$136,000 at time 0 43,350 at year 1 33,350 at year 2 23,350 at year 3 23,350 at year 4 43,350 at year 5 o 3.5 years O 2 years 25 years 429 years 3.29 years