Consider the following two mutually exclusive projects: Year 2 Project A B Year 0 -100 -100 Year 1 +60 0 +60 Year 3 0 +140 0 a) Calculate the NPV of each project for discount rates of 0%, 10% and 20%. Plot these on the graph with NPV on the vertical axis and discount rate on the horizontal axis. b) From the graph, what is the approximate IRR for each project? c) In what circumstances will you accept the project A