If a company?s leverage (Assets/Equity) 2x, ROE is 40% and Total Assets Efficiency is 2, what is your net profit margin?

My net profit margin tends to hold steady at around 8%, give or take... thanks for asking.

But doesn't your homework problem prefer that you determine the NPM of that company whose stats you've described? Go back and re-read the forum's homework help rules, then check back in with your efforts at deriving the answer. Then helpful guidance will follow, but only then.