Which of the following statements about NPV and IRR is true for conventional projects? The internal rate of return is equal to the required rate of return when the net present value is equal to zero. The internal rate of return is greater than the required rate of return when the net present value is negative. The internal rate of return is less than the required rate of return when the net present value is positive. None of the other given options is correct. The internal rate of return is never equal to the required rate of return