5. The internal rate of return is defined as the: A. B. C. D. E. Maximum rate of return a firm expects to earn on a project. Rate of return a project will generate if the project in financed solely with internal funds. Discount rate that equates the net cash inflows of a project to zero. Discount rate which causes the net present value of a project to equal zero. Discount rate that causes the profitability index for a project to equal zero