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 Activities Units Acquired at Cost Units Sold at Retail Mar. 1 Beginning inventory 170 units $52.40 per unit Mar. 5 Purchase 260 units $57.40 per unit Mar. 9 Sales 330 units @ $87.40 per unit Mar. 18 Purchase 120 units @ $62.40 per unit Mar.25 Purchase Mar.29 Sales 220 units @ $64.40 per unit Totals 770 units 200 units 530 units @ $97.40 per unit 3. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c) weighted average, and (d) specific identification. For specific identification, the March 9 sale consisted of 100 units from beginning Inventory and 230 units from the March 5 purchase; the March 29 sale consisted of 80 units from the March 18 purchase and 120 units from the March 25 purchase.