All Along the Supply Chain,distribution Channels Add Value to the Product

All along the supply chain,distribution channels add value to the product by

A) keeping the flow of financial resources moving downstream.
B) making the product available to ship,taking customer orders and shipping the product to the next step in the supply chain.
C) listening to customer feedback and reacting accordingly.
D) reducing the final cost that consumers must pay for the product.
E) eliminating intermediaries for which a product must travel.