The Short-Line Railroad is considering a $195,000 investment in either of two companies. The cash flows are as follows: Year 1 - 10 Electric Co. $90,000 55,000 50,000 20,000 Water Works $50,000 55,000 90,000 20,000 a. Calculate the payback period for the investment in Electric Co. and Water Works. Investment A Investment B Payback period years years b. Which of the alternatives would you select under the payback method? O Electric Co. Water Works O Both