Plank Co. uses the retail inventory method. The following information is available for the current year Beginning inventory Purchases Freight-in Employee discount:s Net markups Net markdowns Sales revenue The ending inventory at retail should be $312,000 $488,000 1,180,000 1,660,000 20,000 8,000 60,000 80,000 1,560,000 A. $576,000 B. $560,000 0 C. $600,000 D. $640,000