Can you please answer WITHOUT using excel!! I am trying to learn the steps answer should be 11.17%

Lambert Companies, Inc. is considering a project that requires an initial investment of $10,000 at the beginning. The project provides annual cash inflows as following: $0 net cash flow in Year 1, $20,000 in Year 2, and $-8,000 (note: this is a negative value!) in Year 3. The firms required return for this project is 10%. What is the projects modified internal rate of return (MIRR) using the combination method?