Hemming Co. reported the following current-year purchases and sales data for its only product. Hemming uses a perpetual inventory system. Assume that ending inventory is made up of 120 units from the March 14 purchase, 210 units from the July 30 purchase, and all 655 units from the October26 purchase. Using the specific identification method, calculate the following. Hemming Co. reported the following current-year purchases and sales data for its only product. Hemming uses a perpetual inventory system. Assume that ending inventory is made up of 120 units from the March 14 purchase, 210 units from the July 30 purchase, and all 655 units from the October26 purchase. Using the specific identification method, calculate the following