If a seller's listing agent refuses to cooperate with another broker when it is in the seller's interest and the offer terms require cooperation, has the agent violated the Maryland Code of Ethics?

• A. No, if she believes the other broker is difficult to work with
• B. Yes, she failed to disclose the shared commission to Sam
• C. Yes, but only if all parties are notified about the extra compensation
• D. Yes, she must cooperate with other brokers if it's in the seller's interest, and depending on the other offer terms, this deal might be.

Answer: (D)