Middle East Company uses a perpetual inventory system. It entered into the following calendar-year 2015 purchases and sales transactions. Date Activities Units Acquired at Cost Units Sold at Retail Jan. 1 Beginning inventory 600 units @ $ 60 per unit Feb. 10 Purchase 480 units @ $ 57 per unit Mar. 13 Purchase 120 units @ $ 42 per unit Mar. 15 Sales 785 units @ $ 80 per unit Aug. 21 Purchase 180 units @ $ 65 per unit Sept. 5 Purchase 470 units @ $ 63 per unit Sept. 10 Sales 650 units @ $ 80 per unit Totals 1,850 units 1,435 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. For specific identification units sold consist of 600 units from beginning inventory, 380 from the February 10 purchase, 120 from the March 13 purchase, 130 from the August 21 purchase, and 205 from the September 5 purchase.