Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. Date Activities March 1 March 5 Beginning inventory Purchase March 9 Sales March 18 March 25 March 29 Purchase Purchase Sales 70 units 120 units Units Acquired at Cost 70 units @$50.40 per unit 210 units @ $55.40 per unit $60.40 per unit $62.40 per unit Units Sold at Retail 230 units @ $85.40 per unit Totals 470 units 100 units @ $95.40 per unit 330 units 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 50 units from beginning inventory, 180 units from the March 5 purchase, 30 units from the March 18 purchase, and 70 units from the March 25 purchase.