Montoure Company uses a perpetual inventory system. It entered into the following calendar-year purchases and sales transactions. Units Sold at Retail Units Acquired at Cost 680 units @ $40 per unit 320 units @ $35 per unit 100 units @ $23 per unit Date Activities Jan. 1 Beginning inventory Feb 10 Purchase Mar. 13 Purchase Mar. 15 Sales Aug. 21 Purchase Sept. 5 Purchase Sept. 10 Sales Totals 720 units @ $75 per unit 130 units @ $45 per unit 490 units @ $41 per unit 620 units @ $75 per unit 1,340 units 1,720 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, (6) LIFO, (C) weighted average, and (d) specific identification. For specific identification, units sold consist of 680 units from beginning inventory, 220 from the February 10 purchase, 100 from the March 13 purchase, 80 from the August 21 purchase, and 260 from the September 5 purchase. (Round your average cost per unit to 2 decimal places.) 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.) Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 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 680 units from beginning inventory, 220 from the February 10 purchase, 100 from the March 13 purchase, 80 from the August 21 purchase, and 260 from the September 5 purchase. (Round your average cost per unit to 2 decimal places.) Show less Ending Inventory (a) FIFO (b) LIFO (c) Weighted average (d) Specific identification Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 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 Specific Identification Sales Less: Cost of goods sold Gross profit $ 0 $ 0 $ 0 $ 0