E6-14A. Inventory Costing Methods-Perpetual Method Refer to the information in E6-2A and assume the perpetual inventory system is used. Calculate the cost of goods sold for the July 15 sale using (a) first-in, first-out, (b) last-in, first-out, and (c) the weighted-average cost methods. Round your final answers to the nearest dollar. LO2 E6-2A. Inventory Costing Methods-Periodic Method The Lippert Company uses the periodic inven- tory system. The following July data are for an item in Lippert's inventory: July 1 Beginning inventory, 30 units @ $9 per unit. 10 Purchased 50 units @ $10 per unit. 15 Sold 60 units. 26 Purchased 25 units @ $11 per unit. Calculate the cost of goods sold for July and ending inventory at July 31 using (a) first-in, first-out, (b) last-in, first-out, and (c) the weighted-average cost methods. Round your final answers to the nearest dollar