The following intormation applies to the questions displayed below. Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March Activities Units Sold at Retail Units Acquired at Cost 70 units $50.40 per unit 210 units $55.40 per unit Date Mar. 1 Beginning inventory Mar5 Purchase Har. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales 230 units $85.40 per unit 70 units $60.40 per unit 120 units $62.40 per unit 100 units $95.40 per unit 330 units Totals 470 units 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, the March 9 sale consisted of 50 units from beginning inventory and 180 units from the March 5 purchase; the March 29 sale consisted of 30 units from the March 18 purchase and 70 units from the March 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.) LIFO Avg. Cost Gross Margin Sales Less: Cost of goods sold Gross profit FIFO Spec. ID