I have a doubt with C - with the wording and interpretation and would like some help with that. Queries highlighted below:
The new drug Prozac and the old one Elavil are about equally effective in treating various forms ofdepression, although patients on the newer drug may have slightly fewer side effects. Thus, revenue from the sale of the new drug (PROZAC) is going to far exceed the revenue from the sale of the old drug.
All of the following statements weaken the conclusion of the argument
...
The new drug Prozac and the old one Elavil are about equally effective in treating various forms ofdepression, although patients on the newer drug may have slightly fewer side effects. Thus, revenue from the sale of the new drug (PROZAC) is going to far exceed the revenue from the sale of the old drug.
All of the following statements weaken the conclusion of the argument
...
