Assume a $40,000 investment and the following cash flows for two alternatives. Year 1 2 3 Investment X $ 6,000 8,000 9,000 17,000 20,000 Investment Y $ 15,000 20,000 10,000 5 a. Calculate the payback for investment X and Y. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Payback Investment X years Investment Y years b. Which alternative would you select under the payback method? O Investment X O Investment Y