Consider the following three mutually exclusive productivity enhancement projects (A, B, C, D. E, & F) and some additional information about them. Note: IRR = internal rate of return, % per year A(B-A) = incremental cash-flow in going from A to B, etc. A is least cost project, B is next higher cost project & F is highest cost project = A(B-A) A(C-B) (D-C) A(E-D) A(F-D) IRR, % 49% 41% 16% -2% -5% If MARR is 25%, which of the following statements is correct, a. Select A b. Select B C. Select C d. Select D e. Select E f. Select F g. Select Do nothing