题目选项分析

Although we manufacture one hundred types of mobile phones, we currently limit our stock to only the ten best-selling models. Our plan is to increase the number of mobile phones we sell by expanding our stock to contain the twelve most popular types.

Which of the following, if true, points out a major weakness in the plan above?

【选项】Less popular types of mobile phones often provide less profit to the retailer because prices must be discounted to attract customers.