In Terms of Channel Organization and Administration, a Contractual Channel

In terms of channel organization and administration, a contractual channel arrangement

A) is a contract between intermediaries that defines all the tasks that each channel member must perform with regard to production, delivery strategy and terms of sale, territorial rights, promotional support, the price policies of each intermediary, and contract length
B) is an arrangement between intermediaries such that a dominant member of the distribution channel in terms of size, expertise, or influence coordinates the tasks of each member in the channel
C) is using two or more channels of distribution to appeal to different markets
D) involves acquiring or merging with an intermediary in the channel that is either a supplier or a buyer