Below are cash flows for four projects that are NOT mutually exclusive. The discount rate for all projects is 12% Year A B D 0 100 -200 100 -100 1 80 100 50 32 2 20 80 40 38 3 10 60 30 38 4 0 20 20 40 Which project or projects should be selected? Mark all that apply. Project B Project A Project D Project C None of them