Required1. Determine the cost of ending inventory and cost of goods sold for April and May using the average-cost method. Round unit costs to cents and totals to dollars.2. Determine the cost of ending inventory and cost of goods sold for April and May using the FIFO method.3. Determine the cost of ending inventory and cost of goods sold for April and May using the LIFO method.4. Assume that this company grows for many years in a long period of rising prices. How realistic do you think the balance sheet value for inventory would be and what effect would it have on the inventory turnover ratio?