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Montoure Company uses a perpetual Inventory system. It entered into the following calendar-year purchases and sales transactions Date Activities Units Aequired at Cost Dita Boldt det Jan. 1 Beginning inventory 600 unita e $40 per unit Feb. 10 Purchase 360 units $37 per unit Mar, 13 Purchase 150 unitse $25 per unit Mar. 15 Sales 765 units 580 per unit Aug. 21 Purchase 200 unitu e$45 per unit Sept. 5 Parehase 50 unita $42 per unit Sept. 10 Sales 780 unitse 580 per unit Totals 1,890 units 1,565 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 units 2. Compute the number of units in ending inventory Ending inventory 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 $ OS 0$ 0 5. The company's manager earns a bonus based on a percent of gross profit. Which method of Inventory costing produces the highest bonus for the manager? Weighted Average O FIFO Specific identification LIFO