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.

Erin Chou is reviewing a profitable investment project that has a conventional cash flow pattern. If the cash flows for the project, initial outlay, and future after-tax cash flows all double, Chou would predict that the IRR would:
Option A:Increase and the NPV would increase.
Option B:Stay the same and the NPV would increase.
Option C:Stay the same and the NPV would stay the same.

Answer: B