The accounting records of Vaughn Manufacturing show the following data. Beginning inventory Purchases 3,210 units at $6 7,260 units at $8 10,281 units at $11 Sales Determine cost of goods sold during the period under a periodic inventory system using the FIFO method, the LIFO method, and the average-cost method. (For calculation purposes, round average cost to 3 decimal places, e.g. 5.275. Round answers to O decimal places, e.g. 125.) FIFO LIFO Average-cost Cost of goods sold $