A broker had an exclusive right to sell agency listing. In order to collect the commission, he must:

A broker had an exclusive right to sell agency listing. In order to collect the commission, he must:

• A. Prove he was the procuring agent
• B. Prove he was licensed at the time of the sale
• C. Prove he had a ready, willing, and able buyer that met the seller's terms
• D. All of the above

Answer: (B)