It Is Important That Marketers Understand the Classification of the Business

It is important that marketers understand the classification of the business product they are selling because:

A) OEM markets often act just like the consumer markets
B) personal selling is the most important promotional strategy for all business marketing classifications
C) distribution channels are almost always direct for all business selling
D) raw materials demonstrate extreme flexibility in pricing
E) promotion and distribution strategies tend to vary depending upon the classification