Direct-mail advertising usually consists of advertisements for products to be purchased from the home, so the percept...

Ravi on April 16 at 07:42PM

@candace,

Happy to help.

(B) says, "Most of the products purchased in response to direct-mail
advertisements would be purchased even without the direct-mail
advertisements."

If people are buying items that they would be purchasing even without
the direct-mail advertisements, then the fact that direct-mail
advertisements would save these people trips to the store (causing
them to use less gasoline) is a relevant detail. Thus, (B) strengthens
the argument.

Does this make sense? Let us know if you have any other questions!