Montoure Company uses a periodic inventory system. It entered into the following calendar-year purchases and sales transactions. 1. Compute cost of goods available for sale and the number of units avaliable for sale. 2. Compute the number of units in ending inventory 3. Compute the cost assigned to ending inventory using (d) FIFO, (b) LFO, (d) weighted average, and (d) specific identification. For specific identification, units sold consist of 655 units from beginning inventory, 355 from the February 10 purchase, 255 from the March 13 purchase, 105 from the August 21 purchase, and 360 from the September 5 purchase. Note: Round your average cost per unit to 2 decimal places. Round your final answers to the nearest whole dollar amount. 4. Compute gross profit earned by the company for each of the four costing methods. Note: Round your average cost per unit to 2 decimal places. Round your final answers to the nearest whole dollar amount. 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? LIFO Weighted Average Specific Identification FIFO