! Required information [The following information applies to the questions displayed below.] Warnerwoods Company uses a periodic inventory system. It entered into the following purchases and sales transactions for March. Date March 1 March 5 Activities Beginning inventory Purchase Units Acquired at Cost 100 units @ $50 per unit 400 units @ $55 per unit Units Sold at Retail March 9 Sales 420 units @ $85 per unit March 18 March 25 March 29 Purchase Purchase Sales 120 units @ $60 per unit 200 units @ $62 per unit Totals 820 units 160 units @ $95 per unit 580 units 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. 3. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c) weighted average, and (d) specific identification. Note: Round your average cost per unit to 2 decimal places.