The fourth-generation Apple TV will cost less than $200 and is on pace to be available in October, 9to5Mac reports. Sources say Apple executives haven’t finalized the price, but that it will likely come in somewhere between $149 and $199, either of which will make it more expensive than the $99 starting price asked for the third-generation Apple TV when it launched in 2012. Apple plans to keep the third-generation model available — it’s…