On December 31, 2020, Ivanhoe Co. performed environmental consulting services for Hayduke Co. Hayduke was short of cash, and Ivanhoe Co. agreed to accept a $337, 600 zero interest bearing note due December 31, 2022, as payment in full. Hayduke is somewhat of a credit risk and typically borrows funds at a rate 11%. Ivanhoe is much more creditworthy and has various lines of credit at 5%