Payback, NPV, and IRR. Rieger International is evaluating the feasibility of investing $104,000 in a piece of equipment that has The a 5-year life. The firm has estimated the cash inflows associated with the proposal as shown in the following table: firm has a 9% cost of capital. a. Calculate the payback period for the proposed investment. b. Calculate the net present value (NPV) for the proposed investment. c. Calculate the internal rate of return (IRR), rounded to the nearest whole percent, for the proposed investment. d. Evaluate the acceptability of the proposed investment using NPV and IRR. What recommendation would you make relative to implementation of the project? a. The payback period of the proposed investment is years. (Round to two decimal places.) he icon located on the top-right corner of the data table below i ntents into a spreadsheet.) Year (0) 1 2 3 Cash inflows (CF) $25,000 $25,000 $40,000 $40,000 $25,000 4 5 Print Done