Sales of private-label brands continue to decline in the U.S., particularly in big-box stores such as Costco.
Sales of private-label brands continue to rise in the North America, where they account for about 20 percent of retail sales. Costco is a leader in the use of private-label brands.

Question

Quizplus · Accepted Answer

The first sentence indicates a decline in private-label brand sales in the U.S., while the second sentence refers to an overall rise in North America. The third sentence implies that Costco is an exception to the declining trend in the U.S. However, there is no clear statement indicating that Costco is a leader in the use of private-label brands in North America as a whole.

Sales of Private-Label Brands Continue to Decline in the U