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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 for March. Date March March March March March March Activit ies Beginning inventory Purchase Sales Purchase Purchase Sales Totals Units Acquired at 1 5 9 18 25 29 120 units 420 units 160 units 240 units 940 units @ $55 per @ $60 per @ $65 per @ $67 per Cost unit unit unit unit Units Sold at Retail 440 units @ $90 per unit 200 units @ $100 per unit 640 units For specific identification, units sold include 40 units from beginning inventory, 400 units from the March 5 purchase, 60 units from the March 18 purchase, and 140 units from the March 25 purchase. 4. Compute gross profit earned by the company for each of the four costing methods. Note: Round your average cost per unit to 2 decimal places and final answers to nearest whole dollar. FIFO LIFO Weighted Average Specific Identification Sales Less: Cost of goods sold Gross profit