13. Suppose you have two mutually exclusive projects, A and B Project B Project A $ 100,000) Year $ (155,000) 0. 40,000 2$ 45,000 1. 50,000 60,000 45,000 2. %2$ 45,000 2$ 70,000 4. %24 Calculate NPV at each of the following levels of discount rate: A) A. 10% 20% Calculate the payback period for each project: B) Payback period C) Calculate IRR for each project D) You can choose at most one project to invest. Which would you pursue at each of the following levels of discount rate? 5% 10% 15% 20%