Required information [The following information applies to the questions displayed below.) Part 4 of 4 0.71 points Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. Skipped Date Activities Units Sold at Retail Mar. 1 Beginning inventory Mar. 5 Purchase Units Acquired at Cost 210 units to @ $53.20 per unit 280 units @ $58.20 per unit eBook Mar. 9 Sales 370 units @ $88.20 per 370 units unit Print Mar. 18 Purchase 140 units @ $63.20 per 140 units unit 260 units its@ $65.20 per 1 unit Mar. 25 Purchase References 240 units @ $98.20 per Mar. 29 Sales Totals unit 610 units 890 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 120 units from beginning inventory and 250 units from the March 5 purchase; the March 29 sale consisted of 100 units from the March 18 purchase and 140 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 L IFO Avg. Cost Spec. ID Sales Less: Cost of goods sold Gross profit