shown in the following table: . The firm has a cost of capital of 8%. a. Calculate the payback period for the proposed investment. b. Calculate the discounted payback period for the proposed investment. c. Calculate the net present value (NPV) for the proposed investment. d. Calculate the probability index for the proposed investment. e. Calculate the internal rate of return (IRR) for the proposed investment. f. Calculate the modified internal rate of return (MIRR) for the proposed investment. g. Evaluate the acceptability of the proposed investment using NPV, IRR, and MIRR. Data table a. The payback period (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.)