A pharmaceutical company developed a new diuretic reported to cause fewer side effects than their old diuretic, which was still being manufactured. During the first year that both were sold, the earlier medication far outsold the new one; the
manufacturer thus concluded that reducing side effects was not the customers' primary consideration.
Which of the following, if true, would most seriously weaken the manufacturer’s conclusion?

Question

Examsnet · Accepted Answer

Correct Answer is :  Many customers consider older medications a better safety risk than new ones, since more is usually known about the safety of the earlier drugs.

GMAT Verbal Reasoning Practice Test 1