The correct answer for the question that is being presented above is this one: "e. If the 4-year payback results in accepting just the right set of projects under average economic conditions, then this payback will result in too few long-term projects when the economy is weak."
Here are the following choices:
a. It will accept too many short-term projects and reject too many long-term projects (as judged by the NPV).
b. It will accept too many long-term projects and reject too many short-term projects (as judged by the NPV).
c. The firm will accept too many projects in all economic states because a 4-year payback is too low.
d. The firm will accept too few projects in all economic states because a 4-year payback is too high.
e. If the 4-year payback results in accepting just the right set of projects under average economic conditions, then this payback will result in too few long-term projects when the economy is weak.