Simple Plan Enterprises uses a periodic inventory system. Its records showed the following: Inventory, December 31, 2009, using FIFO rightarrow 38 Units @ $14 = $532 Inventory, December 31, 2009, using LIFO rightarrow 38 Units @ $10 = $380 Requirement 1: Compute the number and coat of goods available for sale, the cost of ending inventory. and the cost of goods sold under FIFO and LIFO. (Omit the "$" sign in your response.) Requirement 2: Compute the inventory turnover ratio under the FIFO and LIFO inventory costing methods. (Round your answers to 2 decimal places.) Requirement 3: The inventory method used does make a significant difference in the inventory turnover ratio