24 2 points Which of the following best defines the Internal Rate of Return (IRR) for a project? The rate required to achieve a positive NPV. The IRR represents the time-adjusted (real) rate of return for an investment project. The rate required to achieve a negative NPV. The IRR represents the time-adjusted (real) rate of return for an investment project. The rate required to achieve a zero NPV. The IRR represents the time-adjusted (real) rate of return for an investment project. None of the listed answers are correct.