are an important advertising medium for reaching customers who have already made the purchase decision and are looking for the product or service. a. Direct mail ads b. Directory listings c. Television ads d. Transit ads

The correct answer is letter "B": Directory listings.

Explanation:

Directory listings are the result of different online-based services that allows companies to find prospective consumers who are looking for diverse products. Some stores having available online stores use the users' cart to determine how interested clients might be in certain goods. Such merchants send consumers reminders of the goods in the cart to have them finalize the purchase. Some consumers will, some others will not.