All of the Following Statements About Marketing Intermediaries Are True

All of the following statements about marketing intermediaries are true except:

A) all channels of distribution must contain at least one marketing intermediary.
B) marketing intermediaries can be eliminated,but their functions must still be performed.
C) marketing intermediaries survive because they can perform marketing functions faster and more cheaply than producers and consumers.
D) the value created by marketing intermediaries usually exceeds the costs they add to products.