Which of the following statements is false concerning the financial analysis of projects?

Question $15$ options:

a$)$

The higher the net present value the better.

b$)$

A shorter payback period is better than a longer one.

c$)$

The required rate of return is the discount rate that results in an NPV of zero for the project

d$)$

ROI is the result of subtracting the project costs from the benefits and then dividing by the costs.