A companys weighted average cost of capital is 13.2% per year. A project requires an investment of $120,000 today and it is expected to generate after-tax cash flows of $30,000 at the end of year 1, $40,000 at the end of year 2, $50,000 at the end of year 3, and $60,000 at the end of year 4. What is the projects annual modified internal rate of return?