An NPV Profile Is Most Helpful in Dealing with What

An NPV profile is most helpful in dealing with what type of problem?

A) Difficulty in forecasting cash flows
B) The technical sophistication required to interpret NPV results
C) The fact that some projects may have multiple NPVs
D) Problems in estimating a firm's cost of capital
E) Making a decision about a project when recommendations from the payback and NPV calculations conflict