A Market uses a MARR of 10% to evaluate investment alternatives. In comparing challenger option B with an acceptable base alternative A, find IRR_Δ(B -A) > MARR. Evaluated at the MARR, which of the following statements must be true?
A. PW_Δ(B-A) < 0
B. PW_B = PW_A
C. PW_B(10%) < 0
D. Alternative B is preferred to alternative A
E. None of the above