Montoure Company uses a perpetual inventory system. It entered into the following calendar-year purchases and sales transaction Units Sold at Retail Units Acquired at Cost 540 units @ $55 per unit 460 units@ $53 per unit 100 units @ $40 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 745 units @ $80 per unit 170 units@ $61 per unit 430 units @ $54 per unit 1,700 units 600 units@ $80 per unit 1,345 units nces 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 () FIFO, (L) LIFO, () 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.) 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) Required 1 Required 2 Required 3 Required 4 Compute gross profit earned by the company for each of the four costing methods. (Round you decimal places.) FIFO LIFO Weighted Average Specific Identification $ 107,600 Sales Less: Cost of goods sold Gross profit $ 107,600 $ 0 $ 0 $