Practice Do It Review 1 The accounting records of Windsor, Inc. show the following data Beginning inventory Purchases Sales 2,890 units at$6 7,390 units at $8 9,400 units at $11 Your answer is incorrect. Try again. Calculate average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Average unit cost 9.139 per unit SHOW LIST OF ACCOUNTS LINK TO TEXT x Your answer is incorrect. Try again. 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. (Round answers to o decimal places, e.g. 125.) FIFO LIFO Average-cos si Cost of goods sold