As iPhone sales slump, the good news for Apple is that its higher prices mean customers are spending (Troy Wolverton/Business Insider: Finance)

Troy Wolverton / Business Insider: Finance
As iPhone sales slump, the good news for Apple is that its higher prices mean customers are spending – Apples price hikes on its iPhone line have been depressing its sales. But theyve had one beneficial effect for the company: A larger portion of customers are purchasing pricier phones. More than seven out of every 10 iPhone purchasers in December paid at least $700 for their phones and nearly …