Given our discussion on evaluating long-term decisions re. capital projects, which of the following projects is best? Project B: NPV: $50,000 ROI 15% Payback 3.0 Project A: NPV: $50,000 ROI 15% Payback 3.2 years Project D: NPV: $45,000 ROI 15.5% Payback 3.2 years Project C: NPV: $45,000 ROI 15.5% Payback 3.0 years