When a sales agent receives cash that will be retained in trust, the sales agent MUST A$.$ deposit the money within twenty$-$four hours in an account that earns interest. B$.$ present a written receipt signed by the sales agent to a potential buyer and immediately send the funds to the sales agent broker. C$.$ notify customers that cash is not acceptable and request that payment be made by certified check as established by the licensing law. D$.$ immediately deposit the funds into the sales agent's account and transfer a check to the broker's security deposit account.