Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March Date Activities Mar. Mar. 1 Beginning inventory 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales Units Acquired at Cost 100 units @ $53.00 per unit 400 units @ $58.00 per unit 120 units @ $63.00 per unit 200 units @ $65.00 per unit Units Sold at Retail 420 units @ $88.00 per unit Totals 820 units 160 units @ $98.00 per unit 580 units 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 80 units from beginning inventory and 340 units from the March 5 purchase: the March 29 sale consisted of 40 units from the March 18 purchase and 120 units from the March 25 purchase