(11) The accounting records of Oats Electronics show the following data. Beginning inventory 3,250 units at $6 Purchases 8,210 units at $8 Sales 9,270 units at $11 Determine cost of goods sold during the period under a periodic inventory system using (a) the FIFO method, (b) the LIFO method, and (c) the average-cost method. (Round unit cost to nearest tenth of a cent, e.g. 2.545, use this rounded amount for future calculations. Round final answer to the nearest dollar, e.g. 25,500.) FIFO $ _________________? LIFO $ _________________? Average-cost $ _________________? Thank you for your help