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 Activities Units Acquired at Cost Units Sold at Retail March 1 Beginning inventory 175 units @ $65 per unit March 5 Purchase 475 units @ $70 per unit March 9 Sales 495 units @ $100 per unit March 18 Purchase 270 units @ $75 per unit March 25 Purchase 350 units @ $77 per unit March 29 Sales 310 units @ $110 per unit Totals 1,270 units 805 units For specific identification, units sold include 80 units from beginning inventory, 415 units from the March 5 purchase, 115 units from the March 18 purchase, and 195 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 LIFO Weighted Average Specific Identification Sales Less: Cost of goods sold Gross profit $ 0 S 0 S 0 $ 0