An iPhone costs about $872 U.S. in China, and yet, they're flying off the shelves

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Most of your iPhone comes from China, but now the story has a new twist: the Chinese are buying up iPhones at new-record rates, despite the fact that a 5S costs about $872 U.S. (5,288 yuan). In the most recently-ended quarter, over 10 million iPhones were sold in China, which accounted for …