GMAT Critical Reasoning (CR) | Re: CR Revision: Adam will spend $4,000 to rent a booth at the town

Adam will spend $4,000 to rent a booth at the town’s annual county fair to promote his new Sandwich Shoppe. In previous years, the average food booth at the fair served 400 customers. Thus, in order to cover his costs, Adam has calculated that he must sell 400 sandwiches for $10 each.

Which of the following statements casts the most doubt on Adam’s chances of breaking even at the county fair?

A. Adam should not limit himself to 400 sandwiches; he should be prepared to sell more.

B. Adam