Which statement about a manager’s use of client brokerage commissions violates the Code and Standards?

A. A client may direct a manager to use that client’s brokerage commissions to purchase goods and services for that client.

B. Client brokerage commissions should be used to benefit the client and should be commensurate with the value of the brokerage and research services received.

C. Client brokerage commissions may be directed to pay for the investment manager’s operating expenses.