Please verify my answers as well since I do not know if they are correct

Grey Fox Aviation Company is evaluating a proposed capital budgeting project (project Delta) that will require an initial investment of $1,500,000. Grey Fox Aviation Company has been basing capital budgeting decisions on a project's NPV; however, its new CFO wants to start using the IRR method for capital budgeting decisions. The CFO says that the IRR is a better method because percentages and returns are easier to understand and to compare to required returns. Grey Fox Aviation Company's WACC is 8%, and project Delta has the same risk as the firm's average project. The project is expected to generate the following net cash flows: Year Cash Flow Year 1 $300,000 Year 2 $425,000 Year 3 $475,000 Year 4 $450,000 Which of the following is the correct calculation of project Delta's IRR? 2.95% 3.69% 3.32% 3.14% If this is an independent project, the IRR method states that the firm should reject project Delta If the project's cost of capital were to increase, how would that affect the IRR? The IRR would not change. The IRR would decrease. The IRR would increase