The investment-banking department of the XYZ Brokerage House often has information that would be of significant use to the firm’s brokerage clients. In order to conform to CFA Institute Standards of Professional Conduct, which of the following policies should XYZ adopt According to Standard:（）
A. Ⅱ (A), Material Nonpublic Information, XYZ should encourage their investment banking clients to publicly disseminate this information.
B. Ⅲ (B), Fair Dealing, all clients should be informed of the information at the same time.
C. Ⅱ (A), Material Nonpublic Information, XYZ should establish physical and informational barriers within the firm to prevent the exchange of information between the investment banking and the brokerage operations.
