Date Activities March 1 Beginning inventory 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 Acquired at Cost 160 units $52.20 per unit Units Sold at Retail March 5 Purchase 255 units $57.20 per unit March 9 Sales 320 units $87.20 per unit March 18 Purchase 115 units $62.20 per unit March 25 Purchase 210 units $64.20 per unit March 29 Sales 190 units unit Le $97.20 per Totals 740 units 510 units 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include 95 units from beginning inventory, 225 units from the March 5 purchase, 75 units from the March 18 purchase, and 115 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 Weighted Specific Average ID Sales Less: Cost of goods sold Gross profit