“Apple posts profits on everything they do.”
hmmmm.....
“iTunes isn’t a money making venture, at least not for Apple, not directly. iTunes serves Apple best as a marketing tool, promoting their brand and maintaining their dominance in the technology and media markets.”
http://www.cheatsheet.com/technology/a-brief-history-of-apples-itunes.html/
It started as a break even . . . but it isn't now. It is very profitable.