Which of the following statements is most correct? The WACC method should be preferred when there are multiple banks involved in the funding of a particular investment project In the WACC method, as long as the bank agrees, cash flows can be discounted at the shareholers' required return. To model an investment project that is partially financed via a bank loan, the loan rate should be used as the preferred discount rate. The APV method is most appropriate to model an investment project funded with retained earnings. A bank offers to find an investment project with three loans of different maturities and at different rates. You should adopt the APV method to model the project