1. The difference between the whole-life product cost and the product life-cycle cost is
A. the manufacturing cost
B. the nonrecurring development cost
C. the customer's after purchase cost
D. the logistic cost
2. The net present value, internal rate of return, and the profitability index methods can give different rankings to mutually exclusive projects in certain cases. Which of the following is one of the possible reasons that causes contradictory rankings?
A. Projects have different accounting rates of return
B. Projects have similar costs
C. Project lives of different durations
D. Projects have a similar trend of cash flows