A. Lacking any information concerning respectively the actual amount of retail ecpenditure of both the middle-aged consumer group and the younger consumers, we can hardly determine whether the increase in middle-aged consumers will certainly bring more sales to department stores.
B. Furthermore, the arguer fails to consider the fact that different department stores in different locations may have consumers of different age groups.
C. Finally, the arguer ignores the possible negative impact on sales brought about by the decrease in the number of young consumers as a resuly of the recommended invertory adjustment.
版本一，关于一个grocery retail stores的redesign proposal.
前提：这个grocery store的主要客户是wealthy的;近几年sales一直都很高，但profit却下降。于是提议：
1. lay off 10 employees at each store
2. eliminate expensive product display and free samples
3. partnership with a cafe, 在grocery 店里开cafe, because a recent survey shows 他们两家have similar customers。