Which of the following statements is CORRECT?

a. One defect of the IRR method versus the NPV is that the IRR does not take account of the cost of capital.

b. One defect of the IRR method versus the NPV is that the IRR does not take proper account of differences in the sizes of projects.

c. One defect of the IRR method versus the NPV is that the IRR does not take account of the time value of money.

d. One defect of the IRR method versus the NPV is that the IRR does not take account of cash flows over a project's full life.

e. One defect of the IRR method versus the NPV is that the IRR values a dollar received today the same as a dollar that will not be received until sometime in the future.