On December 31, 2017, Ivanhoe Inc. rendered services to Beghun Corporation at an agreed price of $106,288, accepting $42,200 down and agreeing to accept the balance in four equal installments of $21,100 receivable each December 31. An assumed interest rate of 12% is imputed. Prepare an amortization schedule. Assume that the effective-interest method is used for amortization purposes. (Round answers to 0 decimal places, e. g. 5,275.)