Final answer:
Real estate brokers are required to disclose known property defects, the property's market value, and the broker's commission.
Step-by-step explanation:
In real estate transactions, real estate brokers are required to disclose certain facts to potential buyers. One such fact is the known property defects. Brokers must inform buyers of any defects or issues with the property that they are aware of. This is important as it allows the buyer to make an informed decision about the purchase. Other facts that brokers are typically required to disclose include the property's market value and the broker's commission.