Tremblay Limited, a new company, made sales of 23,000 units at a cost of $40 per unit. The company offers a one-year warranty that replaces any defective units with a new one. The company estimated warranty replacements at 3.5 percent of units sold. Tremblay's actual warranty replacements were 685 units. Record warranty expense and warranty payments on December 31. How much is Tremblay's estimated warranty payable at the end of the period