Adya borrowed $900 from Olga to purchase a cell phone. In a written contract, the parties stipulated to the terms of the loan's repayment and Adya gave Olga the authority to sell his sectional sofa if he failed to pay her back the $900 as agreed. Adya did not pay back the loan as he promised. Under these circumstances, Multiple Choice a dual agency exists Ay can revoke Olga's power to sell his sofa theo phone is damaged Adya cannot revoke Olga's power to sell of it Adyadies and the debt remains und Olga haricot recovery from Adya's estate