Marvalo Gaunt's Jewelry Shoppe has the following data for the year 2021 Cost $283,500 823,500 Beginning inventory Net purchases Net markups Net markdowns Net sales Retail $ 450,000 1,310,000 85,000 45,000 1,237,500 Estimate ending inventory (at cost) and cost of goods sold using each of the retail inventory methods specified. Average Conventional LIFO Estimate ending inventory at cost and cost of goods sold using the average cost retail inventory method. Ending Inventory (at cost) Cost of Goods Sold Estimate ending inventory (at cost) and cost of goods sold using each of the retail inventory methods specified. Average Conventional LIFO Estimate ending inventory at cost and cost of goods sold using the conventional retail inventory method. Ending Inventory (at cost) Cost of Goods Sold Average LIFO Average Conventional LIFO Estimate ending inventory at cost and cost of goods sold using the LIFO retail inventory method. Ending Inventory (at cost) Cost of Goods Sold