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. Compute the cost assigned to ending inventory using (a) FFO, (b) LIFO, (d) weighted average, and ( ( ) specific identification . For Compute identification, units sold include 80 units from beginning inventory, 340 units from the March 5 purchase, 40 units from the arch 18 purchase, and 120 units from the March 25 purchase