Required information Problem 6-2AA Periodic: Alternative cost flows LO P3 [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 Units Sold at Retail Units Acquired at Cost 110 units @ $45 per unit 410 units @ $50 per unit Date Activities Mar. 1 Beginning inventory Mar. 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales Totals 430 units e $80 per unit 140 units @ $55 per unit 220 units e $57 per unit 880 units 180 units @ $90 per unit 610 units For specific identification, the March 9 sale consisted of 60 units from beginning inventory and 370 units from the March 5 purchase; the March 29 sale consisted of 50 units from the March 18 purchase and 130 units from the March 25 purchase. Problem 6-2AA Part 4 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 Weighted Specific LIFO