When in doubt as to which capital budgeting method to use when evaluating projects, which should be used as a priority to ensure the most accurate capital budgeting decision is derived?

a. The NPV method as this method can always be relied upon when evaluating projects.

b. Relying on one capital budget method alone will never provide an accurate capital budgeting decision.

c. The payback period method as this method can always be relied upon when evaluating projects.

d. The IRR method as this method can always be relied upon when evaluating projects.