You are choosing between two projects. The cash flows for the projects are given in the following table ($million):
Project Year 0 Year 1 Year 2 Year 3 Year 4
A -$48 $24 $20 $21 $15
B -$101 $20 $40 $51 $60
A. What are the IRRs of the two projects?
B. If your discount rate is 5.1%, what are the NPV's of the two projects?
C. Why do IRR and NPV rank the two projects differently?