0 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 Metax 410 units $39.00 per unit March 1 March 5 March 9 March 10 March 25 March 29 Activities Beginning inventory Purchase Sales Purchase Purchase Sales Totals Unita Acquired at Coat 250 units 554.00 per unit 300 units 559.00 per unit 160 units $64.00 per unit 300 units $66.00 per unit 1,010 unito 280 units. $99.00 per unit 690 units 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include 140 units from beginning inventory, 270 units from the March 5 purchase, 120 units from the March 18 purchase, and 160 units from the March 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.) FIFO LIFO Weighted Average Specific ID Gross Margin Sales Less: Cost of goods sold Gross profit