Given a Particular Set of Project Cash Flows, Which One

Multiple Choice

Given a particular set of project cash flows, which one of the following statements must be correct?

A) There can be only one NPV for the project, even with multiple discount rates.
B) There can be only one IRR for the project.
C) There can be more than one IRR for the project.
D) There can be only one profitability index for the project, even with multiple discount rates.