The accounting records of Concord Corporation show the following data. Beginning inventory 2,820 units at $7 Purchases 8,120 units at $9 Sales 9,838 units at $12 Calculate average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Average unit costs per unit SHOW LIST OF ACCOUNTS LINK TO TEXT 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-cost Cost of goods sold