6. A project has the following total (or net) after-tax cash flows. The required rate of return on the project is 16 percent. The initial investment (or initial cost or initial outlay) of the project is $6,000,000. a) Find the (regular) payback period of the project. b) Compute the discounted payback period of the project. c) Find the net present value (NPV) of the project. d) Find the profitability index (PI) of the project. e) Calculate the modified internal rate of return (MIRR) of the project