q1 urgent help

You have been asked to calculate the IRR (internal rate of return) of the following project. The project has a cost of $1,000,000. The project has an expected cash flow of $400,000 in year 1, an expected cash flow of $500,000 in year 2 and an expected cash flow of $600,000 in year 3. The required rate of return is 10% compounded annually. What is the IRR? 21.6% 18.5% 17.8% 24.4%