Please show steps on what you did thanks :)

17. A firm is evaluating a project with an initial investment of $900,000. The project has a 4-year life and the expected cash flows are: Year Cash Flow I 1 2 3 4 $ 200,000 200,000 400,000 500,000 The firm has a required rate of return of 12%. a) Calculate the payback period (6 pts) b) Calculate the net present value (NPV) and state whether the project should be accepted (8 pts) c) Calculate the profitability index (PI) (4 pts)