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^ I think Mustang was referring to companies like Johnson and Johnson(net profit margin 14.87 last year) and Procter and Gamble(16% of revenue in 2011)

What industries are permitted to have profits and which ones can't?

ANYBODY CAN MAKE A PROFIT BUT HOW MUCH IS TO MUCH
you will have to see a doctor or just drop dead in your lifetime
you got a choice if you want to buy somebody's product

15% PROFIT IS A PRETTY GOOD RETURN