[The following information applies to the questions displayed below.) Warnerwoods Company use perpetual inventory system. It entered into the following purchases and sales transactions for March Date Activities Units Acquired at Cost Units sold at Retail Mar. 1 Beginning inventory 150 units @ $52.00 per unit Mar. 5 Purchase 250 units @ $57.00 per unit Mar. 9 Sales 310 units o s87.co per unit Mar. 18 Purchase 110 units@ $62.00 per unit Mar. 25 Purchase 200 units @ $64.00 per unit Mar. 29 Sales 180 units @ $97.00 per unit Totals 710 units 490 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 90 units from beginning inventory and 220 units from the March 5 purchase; the March 29 sale consisted of 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.) FIFO LIFO Avg. Cost Spec. ID Grons Margin Sales Loss: Cost of goods sold Gross profit