题目选项分析

On average, American consumers buy a new computer every four years even though older computers are still perfectly capable of basic operations such as word processing and surfing the Internet. This is the case despite the fact that most computers are designed to work for approximately ten years.

The statements above, if true, best support which of the following as a conclusion?

【选项】American consumers are motivated to purchase new computers by some combination of factors other than their current computer's ability to perform basic functions.