The Owner of an Organic Grocery Store Wants to Place

The owner of an organic grocery store wants to place inside cards over the doors of city buses.To keep advertising costs down,the store owner can most likely

A) buy a full showing plus take-ones to cover the area.
B) print different ads on both sides of the card.
C) demand a refund if sales goals are not met.
D) invest in a brand train promotion.
E) print additional terminal posters.