On July 10, 20XX, ABC Corp sold its products to retailers on account for a selling price of $598,710 with a cost of goods sold of $478,940.The company grants the right to return products that do not sell in three months following delivery.Past experience indicates that the normal return rate is 14.30%.By October 11, 20XX, retailers returned systems to the company and were granted credits of $66,670.Using these numbers, calculate how much refund liability the company is estimating for all the sales made.