Montoure Company uses a perpetual inventory system. It entered into the following calendar-year 2015 purchases and sales transactions. Units Sold at Retail Date Activities Jan. 1 Beginning inventory Feb. 10 Purchase Units Acquired at Cost 540 units @ $55,00 per unit 460 units @ $53 per unit 100 units @ $40 pe Mar. 13 Purchase unit Mar. 15 Sales 745 units @ $80 per unit 170 units @ $ 61 per unit Aug. 21 Purchase Sept. 5 Purchase Sept. 10 Sales 430 units @ $54 per unit 600 units @ $80 per unit Totals 1,700 units 1,345 units Required: 1. Compute cost of goods available for sale and the number of units available for sale. Cost of goods available for sale Number of units available for sale $ 91,670 1,700 units 2. Compute the number of units in ending inventory. Ending inventory 355 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 consist of 540 units from beginning inventory, 360 from the February 10 purchase, 100 from the March 13 purchase, 120 from the August 21 purchase, and 225 from the September 5 purchase. (Round your average cost per unit to 2 decimal places.) Ending Inventory (a) FIFO (b) LIFO (c) Weighted average (d) Specific identification 21,655 4. Compute gross profit earned by the company for each of the four costing methods. (Round your average cost per unit to 2 decimal places.) FIFO LIFO Weighted Average $ 107,600 Specific Identification $ 107,600 $ 107,600 $ 107,600 Sales Less: Cost of goods sold Gross profit $ 107,600 $ 107,600 $ 107,600 $ 107,600