Help Required information [The following information applies to the questions displayed below) Warnerwoods Company uses a periodic inventory system. It entered into the following purchases and sales transactions Wemerwoods Company ou U nits sold at Retail Unit Required at Cont 140 units $75 per unit 440 units seo per unit 460 unita $110 per unit Date Activities Mar. 1 Beginning inventory Mar. 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales Totala 200 units $85 per unit 280 units @ $87 per unit 240 units $120 per unit 1.060 units 700 units For specline identication, the March o solo constated or wo unts from beinan For specific identification, the March 9 sale consisted of 90 units from beginning inventory and 370 units from the March 5 purchase; the March 29 sale consisted of 80 units from the March 18 purchase and 160 units from the March 25 purchase. 4. Compute gross profit earned by the company for each of the four costing methods. (Round your average cost per unit to 2 decimal places and final answers to nearest whole dollar.) FIFO L IEO Weighted Average Specific Identification Sales Less: Cost of goods sold Gross profit