Which one is not true about constructing a channel value chain?

a$)$ It needs evaluation of competitors' capabilities

b$)$ It needs to identity consumers' needs on the product

c$)$ It helps a producer reach its full strength to meet customers' needs

d$)$ Channel value should be balanced between revenue caused by the channel and channel margin

$$ e$)$ This approach needs a perspective that an intermediary can be a partner to a producer to increase the producer's capabilities