All tochniques-Docision among mutually exclusive Investments Pound Industries is attermpting to select the best of three mutually exclusive projects. The initial investment and affer-tax cash inflows associated with these projects are shown in the foliowing table. a. Calculate the payback period for each project. b. Calculate the net present value (NPV) of each project, assuming that the firm has a cost of capital equal to 12%. c. Calculate the internal rate of return (IRR) for each project. d. Indicate which project you would recommend