Answer this question based on the following three statements: 1. Even if the profitability index of a project is greater than zero, it may still have a negative NPV. 2. Cash flows with different risk profiles would likely have different discount rates. 3. The IRR and NPV may yield the same conclusion about a project except when the project is short term. O a. Only 2 and 3 are correct. O b. All statements are correct, OcOnly 1 and 3 are correct. O d. All statements are NOT correct. Unsure Oe. Only 1 and 2 are correct