All of the Following Are True of Brokers Except

All of the following are true of brokers except

A) they bring buyers and sellers together.
B) they are especially useful when buyers and sellers do not come into the market very often.
C) they usually have a permanent relationship with the buyer and seller.
D) the broker's product is information about what buyers need and what supplies are available.
E) they earn commissions based on completion of transactions between buyers and sellers.