Required information [The following information applies to the questions displayed below.,] Hemming Co. reported the following current-year purchases and sales for its only product. Activities Units Acquired at Cost Date Jan. 1 Beginning inventory Jan.10 Sales Mar.14 Purchase Mar. 15 Sales July30 Purchase Oct. 5 Sales Oct.26 Purchase 300 units $14.00 - 4,200 520 units @ $19.00 = 9,880 500 units $24.00-12,000 200 units e $29.005,800 Units Sold at Retail 250 units $44.00 460 units $44.00 480 units $44.00 Totals 1,520 units $31,880 1,190 units Required Hemming uses a perpetual inventory system. Assume that ending inventory is made up of 50 units from the March 14 purchase, 80 units from the July 30 purchase, and all 200 units from the October 26 purchase. Using the specific identification method, calculate the following a) Cost of Goods Sold using Specific ldentification Available for Sale Cost of Goods Sold Ending Inventory Ending Unit Cost COGS Inventory Unit Cost Inventory Units Ending Unit Cost Date Activity Units Cost Jan. 1 Beginning Inventory Mar. 14Purchase uly 30Purchase Oct. 26 Purchase 300 520 500 200 1,520 $ 0.00 $ $ 0.00 0.00 $ 0.00 s 0.00 $ $ 0.00 $ 0.00 S 0.00 0 0 b) Gross Margin using Specific Identification Less Equals