Channels of distribution:
A. that include intermediaries result in higher distribution costs than channels without intermediaries.
B. should be designed to increase discrepancies of quantity between producers and consumers.
C. usually do not involve conflicts as long as each channel member has profit as a goal.
D. usually require longer-term planning than other market mix elements because channel decisions are more difficult to change quickly.
E. are always characterized by conflict among channel members.
Answer: D