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. 3. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c) weighted average, and (d) specific identification. For specific identification, units sold include 85 units from beginning inventory, 215 units from the March 5 purchase, 65 units from the March 18 purchase, and 105 units from the March 25 purchase. (1) Required information