! Required information (The following information applies to the questions displayed below.) Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. Units Sold at Retail Units Acquired at Cost 170 units @ $52.40 per unit 260 units @ $57.40 per unit Date March 1 March 5 March 9 March 18 March 25 March 29 Activities Beginning inventory Purchase Sales Purchase Purchase Sales 330 units @ $87.40 per ur 120 units 220 units @ $62.40 per unit @ $64.40 per unit 200 units @ $97.40 per ur Totals 770 units 530 units 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include 100 units from beginning inventory, 230 units from the March 5 purchase, 80 units from the March 18 purchase, and 120 units from the March 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.) Gross Margin FIFO LIFO Specific ID Weighted Average $ 48,322 Sales $ 48,322 $ 48,322 $ 48,322 Less: Cost of goods sold Gross profit