Estimated time allowance: 24 minutes. You are presented with 6 projects. All projects are 7-year projects. NPV = Net present value. IRR = internal rate of return. MIRR= modified internal rate of return. PI= profitability index. If all projects are mutually exclusive, which project or projects should be selected using the PI rule? The discounting rate (r) is 14%. G A and G B and D A A,B,C,D and G A,B, and D