PROBLEM SETA Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases sales transactions for March. (For specific identification, the March 9 sale consisted of 80 units fine beginning inventory and 340 units from the March 5 purchase the March 29 sale consisted of 40 unit from the March 18 purchase and 120 units from the March 25 purchase.) Problem 6-1A Perpetual Alternative cost flows P1 Date Activities Units Acquired at Cost Units Sold at Retai 100 units 550.00 per unit 400 units 555.00 per unit Mar. 1 Mar 5 Mar. 9 Mar. 18 Mar 25 Mar 29 420 units $85.00 per Beginning inventory Purchase Sales Purchase Purchase Sales Totals 120 units $60,00 per unit 200 units o 562.00 per unit B20 units 160 units 595.00 perunt 580 nuts Check (31 Ending inventory FIFO, 514 B00LIFO $13.680, WA, 514.352 (4) LIFO gross pot 517980 Required 1. Compute cost of goods available for sale and the number of units available for sale 2. Compute the number of units in ending inventory. 3. Compute the cost assigned to ending inventory using (a) FIFO. (b) LIFO. (e) weighted average, and (d) specific identification. (Round all amounts to cents.) 4. Compute gross profit earned by the company for each of the four costing methods in part 3