Question 3 The accounting records of Metlock, Inc. show the following data. Beginning inventory Purchases 3,140 units at $8 8,070 units at $10 9,643 units at $13 Sales Calculate average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Average unit cost per unit $ 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 0 decimal places, e.g. 125.) FIFO LIFO Average-cost Cost of goods sold $ $ Click if you would like to Show Work for this question: Open Show Work