The accounting records of Bonita Industries show the following data. Beginning inventory 2,940 units at $7 Purchases 8,780 units at $9 10,239 units at $12 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 fro method, the uro method, and the average cost method. (Hound answers to decimal places 6.9. 125.) FIFO LIFO Average-cost Cost of goods sold