How does one solve for IRR? Set the NPV equation equal to zero and solve for the interest rate Calculate the present value of the project's expected net cash flows using the appropriate requ Divide the present value of the expected net cash flows by the number of years of the project Add the after-tax net cash flows together None of the selections is correct nterest rate et cash flows using the appropriate required rate of return and subtract the initial cash outlay s by the number of years of the project