Which of the Following Statements Is Are True About the Brokerage

Which of the following statements is are true about the brokerage function?

A) bringing together transactors of financial claims with complementary needs
B) the broker has special information and can reuse that information
C) the cost of using a brokerage service to an individual is the same as that which he must spend without the help of a broker
D) the brokerage function usually results in a mismatch of assets and liabilities
E) both a and b