Inventory data for Williams Door Company for the month of October are as follows: Date Item Units Cost Oct 1 Beginning Inventory 50 $150 Oct 8 Purchase 50 $155 Oct 15 Purchase 55 $160 Oct 22 Purchase 60 $170 Oct 29 Purchase 55 $175 During the month of October, Williams sold 250 units @ $210 each. Required: Compute the cost of Goods Sold and Ending Inventory under 1. Average Cost 2. FIFO 3. LIFO 4. Prepare a Comparative Income Statement under the three methods. Operating Expenses are $4500. Calculate Gross Profit Percentage for each of the three methods. Round all numbers to the nearest dollar. Round percentages to two decimal places