Les Stoker, a broker who practices nonexclusive single agency, has a client who is determined to buy one of Stoker's in-house listings. Stoker explained the situation to the client, who agreed to go ahead with the transaction as an unrepresented customer. At lunch, the buyer talked with Stoker about the challenges his family business was having and his wife's upcoming legal case. This information indicated to Stoker that the customer was in a weaker negotiating position than he thought. Because Stoker obtained this information after terminating the agency with the buyer, can he share it with the seller