Broker betty at an open house meets a young couple looking to purchase their first home. the couple asked if the broker thought they had enough income to qualify for a loan to purchase the property. realizing this information is of a confidential nature broker betty makes the agency disclosure that her office policy and state statute require. the buyers are very skeptical about making a commitment and have been coached by family members not to sign anything. they refuse to sign the signature block on the brokerage disclosure to buyer form. betty should: