Which of the following statements are true? S1: Net Present Value (NPV) is equal to the present value of the project's cash flows discounted at the risk-adjusted WACC. S2: The IRR is the discount rate that sets the project's NPV equal to zero. Both, S1 and 52 are correct O Both, S1 and S2 are false O S2 is correct but $1 is false O S1 is correct but S2 is false