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 sold at Retail Date Activities Mar. 1 Beginning inventory Mar. 5 Purchase Units Acquired at Cost 100 units e $58.00 per unit 400 units @ $63.00 per unit Mar. 9 Sales 420 units e $93.00 per unit Mar. 18 Purchase @ $68.00 120 units @ $70.00 200 units per unit Mar. 25 Purchase per unit Mar.29 Sales 5 160 units @ $103.00 per unit 580 units Totals 820 units 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, March 9 sale consisted of 80 units from beginning inventory and 340 units from the March 5 purchase, the March sale consisted of 40 units from the March 18 purchase and 120 units from the March 25 purchase. (Round weight average cost per unit to two decimals and final answers to nearest whole dollar) FIFO LIFO Avg. Cost Spec.ID Gross Margin Sales Less: Cost of goods sold Gross profit