Which of the following statements regarding the profitability index is true?

Select one:

a. A profitability index greater than 1.0 means that the investment will take longer than one year to pay for itself.

b. A profitability index greater than 1.0 means that the investment should not be made.

c. When comparing projects, the one with the highest profitability index will have a longer payback period.

d. When comparing projects, the one with the highest profitability index is preferred.