To entice customers away from competitors, Red Label supermarkets have begun offering discounts on home appliances to customers who spend $50 or more on any shopping trip to Red Label. Red Label executives claim that the discount program has been a huge success, since cash register receipts of $50 or more are up thirty percent since the beginning of the program.
Which of the following, if true, most seriously weakens the claim of the Red Label executives?

Question

Examsnet · Accepted Answer

Correct Answer is :  Almost all of the people who have begun spending  $50  or more at Red Label since the discount program began are longtime customers who have increased the average amount of their shopping bills by making fewer trips.

GMAT Verbal Reasoning Practice Test 3