You are choosing between two projects. The cash flows for the projects are given in the following table (s million): 5 a. What are the IRRs of the two projects? b. If your discount rate is 4.5%, what are the NPVs of the two projects? c. Why do IRR and NPV rank the two projects differently? (Click on the following icon in order to copy its contents into a spreadsheet.) Project A B Year 0 - $50 - $100 Year 1 $23 Year 2 $22 $40 Year 3 $20 $50 Year 4 $15 $60 $21