Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. Problem 6-1A (Static) Part 3 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 80 units from beginning inventory, 340 units from the March 5 purchase, 40 units from the March 18 purchase, and 120 units from the March 25 purchase