The Apple TV costs the company $237 to produce, BusinessWeek reports. Research firm iSuppli took the set-top box apart, and estimated the cost of components such as the Intel Pentium M variant ($40), accompanying Intel chipset ($28), 40GB hard drive ($37), and GeForce Go graphics chip ($15). The total of all the components ($237) leaves Apple a gross profit of $62, or around 20%, before marketing costs — a rarity for the company, which is known…