Which of the Following Statements About Intermediaries in a Distribution

Which of the following statements about intermediaries in a distribution channel is true?

A) As much as possible, a producer of goods or services should try to avoid using intermediaries in order to keep more profits.
B) For many producers, partnering with the right intermediaries can result in more sales and higher profits.
C) By law, producers of goods or services are required to use intermediaries.
D) Intermediaries are always able to perform the distribution functions more effectively and less expensively than a producer of goods and services.