[The following information applies to the questions displayed below.]

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. Date Units Sold at Retail Activities Beginning inventory Purchase Units Acquired at Cost @ $52.00 per unit March 1 March 5 150 units 250 units @ $57.00 per unit March 9 Sales 310 units@ $87.00 per unit March 18 Purchase 110 units 200 units @ $62.00 per unit @ $64.00 per unit March 25 Purchase March 29 Sales Totals 180 units @ $97.00 per unit 490 units 710 units 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include 90 units from beginning inventory, 220 units from the March 5 purchase, 70 units from the March 18 purchase, and 110 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 Average Specific ID Sales Less: Cost of goods sold Gross profit