All of the Following Are Differences Between Warehouse Clubs and Discount

All of the following are differences between warehouse clubs and discount stores, except

A) warehouse clubs spend less on advertising than discount stores
B) warehouse clubs carry a deeper selection of fewer product categories than discount stores
C) products in warehouse clubs are usually stacked on pallets, but not in discount stores
D) warehouse clubs require a membership and discount stores do not
E) warehouse clubs offer fewer products than discount stores