Please show all calculations clearly!!!

Company T is an all-equity firm, and it is evaluating a new five-year project similar to its existing operations. The project requires an initial investment of $5 million, and the book value and market value of the equipment will both be zero at the end of the project. The project will generate the same operating cash flows of $1.3 million every year from Year 1 to Year 4. Their operating cash flow at Year 5 will be $800,000 due to the cleanup cost they have to pay at the end of the project. What is the internal rate of return for this project? You should show your answer and explain how you did the calculation to earn full credit