According to  iSuppli, the device costs $185.49 to manufacture–or about 52-percent of its manufacture suggested retail price.The most expensive piece of the Kindle, unsurprisingly, is the E Ink display at roughly 42-percent of the total material cost. According to iSuppli, the main application chip in the device, manufactured by Freescale Semiconductor–which also powers Microsoft’s Zune and the Ford Sync’s media controls–runs $8.64. Qualcom’s wireless module chip, meanwhile, runs $13.18. Also inside is Novatel Wireless $39.50 wireless data module. Amazon hasn’t commented on iSuppli’s assessment. [via gearlog]