Askmenow - homework help by sms

AskMeNow will set up a mobile homework service this fall. Apparently, this thing will let people call or message in a simple question and receive a text reply on their phones within a few minutes. More than 10,000 are now participating in a free test, and the company eventually plans to charge up to 49 cents a question, possibly less for students. Right…
P.s. Here’s my question (in french, err, sorry) : Comment expliquer, dans un monde ou la somme des recettes des enterprises serait egale a la somme de leurs depenses, que les enterprises puissant tout de meme realiser des profits? I‘ll cut my excessive head-hair if I receive a response from them…