Lauras Department Store uses the average cost retail inventory method to determine its ending inventory. The accounting records for the current year for Lauras contained the following information: Cost Retail Purchases $71,200 $87,750 Beginning inventory 17,000 23,500 Sales 98,000 Net markups 6,500 Net markdowns 3,000 In addition, the accounting records for Lauras disclosed that purchases returns at cost and retail were $1,950 and $4,250, respectively. What is the cost-to-retail percentage to be used for ending inventory calculations?