can anyone help me with the following question please? Thanks a lot

A company is evaluating a long-term project with an estimated lifespan of 30 years, and the initial investment is $35 million.

The projected cash flow for the next 30 years is estimated to be as follows:

Year 1 to Year to 5: $5 million/year,

Year 6 to Year 20, $4 million/year,

Year 21 to Year 30: $2 million/year.

Calculate the internal rate of return for the project;

MC Options:

8.85%

12.85%

9.85%

11.85%

10.85%