The program to control the entry of illegal drugs into the country was a failure in 1987. If the program had been successful, the wholesale price of most illegal drugs would not have dropped substantially in 1987.
The argument in the passage depends on which of the following assumptions?

Question

Examsnet · Accepted Answer

Correct Answer is :  A drop in demand for most illegal drugs in 1987 was not the sole cause of the drop in their wholesale price.

GMAT Verbal Reasoning Practice Test 5