Your division is considering two investment projects, each of which requires an up-tront expenditiore of $30 millon. You estimate that the cost of capital is 11% and that the imestments will produce the foliowing atter-tax cakh flawns (in millions of dollars): a. What is the regular payback period for each of the projects? Round your answers to two decimal places. 13 points) b. What is the NPV and IRR for each of the projects? Round your answers to two decimal places. (3+3=6 points) c. If the two projects are independent and the cost of capital is 11%, which project or projects should the firm undertake and why? (1 point). d. If the two projects are mutually exclusive and the cost of capital is 11%, which project or projects should the firm undertake and why? ( 1 point). e. if the cost of capital is 8.5%, would your decision change from part c? (no calculations needed) (1 point)