Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

A three-year investment requires an initial outlay of ￡1,000. It is expected to provide three year-end cash flows of ￡200 plus a net salvage value of ￡700 at the end of three years. Its internal rate of return (IRR) is closest to:
Option A:10%.
Option B:11%.
Option C:20%.

Answer: B