Which of the following describes a vertical marketing system? ANSWER Unselected An arrangement within a channel of distribution in which two or more firms at the same channel level work together for a common purpose Unselected A channel of distribution in which there is formal cooperation among members at the manufacturing, wholesaling, and retailing levels Unselected A group of retailers that establishes a wholesaling operation to help them compete more effectively with the large chains Unselected Selling a product only through a single outlet in a particular region