Mark is a broker who signed a listing agreement with a seller to sell their single-family home. A broker associate working under Mark brings a buyer to the seller and both parties sign the sales contract. Has Mark violated any agency laws?

No. This is a designated agency relationship.

Yes. Mark is serving as a transaction broker, which is not permitted for residential properties.

No. A dual agency relationship is permitted for residential properties.

Yes. This is an illegal dual agency relationship since Mark and the broker associate work together in the same office.