Ming Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for April. (For specific identification, the April 9 sale consisted of 8 units from beginning inventory and 27 units from the April 6 purchase; the April 30 sale consisted of 12 units from beginning inventory, 3 units from the April 6 purchase, and 10 units from the April 25 purchase.) Activities Units Acquired at Cost Date Units Sold at Retail Apr. I Beginning inventory 20 units@$3,000.00 per unit Apr. 6 Purchase 30 units@ $3,500.00 per unit Apr. 9 Sales 35 units@ $12,000.00 per unit 5 units @ $4,500.00 per unit Apr. 17 Purchase Apr. 25 Purchase 10 units @ $4,800.00 per unit 25 units@$14,000.00 per unit Apr. 30 Sales Total 65 units 60 units 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, (c) weighted average, and (d) specific identification (Round all amounts to cents.) Check (3) Ending inventory: FIFO, $24,000; LIFO, $15,000; WA, $20,000 4. Compute gross profit earned by the company for each of the four costing methods in part 3. (4) LIFO gross profit, $549,500