An analyst has gathered the following data about four projects, each with a 13% required rate of return. Project A Project B Project C Project D NPV $55,000 ($65,000) $40,000 $35,000 IRR 15% 18% 20% 16% a) If the projects are independent, the firm should accept which projects? Why? (2) b) If the projects are mutually exclusive, the firm should accept which project? Why? (2)