The PC market is not a very good business to be in right now. Growth is slowing, Windows 8 isn’t helping, and vendors are rehashing old gimmicks in an effort to turn things around. Beyond declining shipment figures and sinking average selling prices (ASPs), there is another number industry watchers keep their eye on that will almost certainly shock people who don’t follow the PC business closely: the amount of money, on average, that PC vendors make for each computer sold. The Guardian’s Charles Arthur on Thursday issued a report covering the PC market following the news that LG is considering a departure from the traditional PC business to focus on tablets. The entire report is a good read, but