IPhone 4

Buyers spend hundreds of dollars on each version of the iPhone. While it's expensive to purchase, the phone isn't costly to make. The most expensive part in the iPhone 4 is the Retina display, which only costs $28.50. In total, the iPhone partsare priced at $200. Now, once you add design and assembly that's a completely different story.
This Post Belongs To Things You Don't Know About the iPhone