Which of the Following Statements About "Business Marketing" Is NOT

Which of the following statements about "business marketing" is NOT true?

A) 50 percent of all manufactured goods are sold in this "business market"
B) approximately 80 percent of all farming output is sold to this market
C) nearly 100 percent of all minerals and forest products are sold to this market
D) the actual size of this market is very small; hence, little public attention is paid to this market
E) this market is largely unknown to an average consumer