Which of the following statements about the opportunity cost associated with a capital budgeting project is correct?

		A project's opportunity cost is a cash outlay that the firm has already paid; therefore, it should not be included in a capital budgeting analysis.
		The terms sunk cost and opportunity cost generally are used interchangeably.
		A project's opportunity cost is the return (cash flow) that will not be earned (generated) if funds are invested in a particular capital budgeting project.
		A project's opportunity cost is not a relevant cash flow, therefore it should not be included in the capital budgeting analysis.