Answer this question using the BA II calculator. Write or type what keys you pressed on the calculator for each step to get the answer. Also write the formulas used

2. Below are the cash flows for two mutually-exclusive projects : a. At what interest rates would you prefer Project A to Project B ? Draw the NPV profile for each project. b. Calculate the IRR for each project. If you know how to use a financial calculator or Excel function, you may use them to find the IRRs. Otherwise, use Use both trial-and-error method. c. Suppose this is a new case scenario, and you know that both NPV \& IRR follow the same underlying DCF concept, would you prefer NPV, or IRR ? Explain your