Madonsela Industries is in the process of choosing the better of two equal-risk, mutually exclusive capital expenditure projects, M and N. The relevant cash flows for each project are shown in the following table. The firm's cost of capital is 14%. a. Calculate each project's discounted paybackperiod. b. Calculate the net present value (NPV) for each project. (5) c. Calculate the profitability Index (PI) for each project. d. Calculate the internal rate of return (IRR) for each project. (5) e. Summarize the preferences dictated by each measure you calculated, and indicate which project you would recommend. Explain why (5) f. Explain the circumstances under which a conflict in rankings might exist