题目选项分析

Advertisement: Our competitors' computer salespeople are paid according to the value of the products they sell, so they have a financial incentive to convince you to buy the most expensive units-whether you need them or not. But here at Comput-o-Mart, our salespeople are paid a salary that is not dependent on the value of their sales, so they won't try to tell you what to buy. That means when you buy a computer at Comput-o-Mart, you can be sure you're not paying for computing capabilities you don't need.

Which of the following would, if true, most weaken the advertisement's reasoning?

【选项】Extended warranties purchased for less-expensive computers can cost nearly as much as the purchase price of the computer.