Which of the following statements is CORRECT?

a-If a project is independent, then it cannot have multiple IRRs.

b-If a project has two IRRs, then the smaller one is the one that is most relevant, and it should be accepted and relied upon.

c-If two projects are mutually exclusive, then they are likely to have multiple IRRs.

d-Multiple IRRs can only occur if the signs of the cash flows change more than once.

e-For a project to have more than one IRR, then both IRRs must be greater than the WACC