The accounting records of Bonita Industries show the following data, Beginning inventory Purchases Sales 2,940 units at $7 8.780 units at $9 10,239 units at $12 Calculate average unit cost. (Round answer to 3 decimal places, eg. 5.125.) Average unit cost $ per unit eTextbook and Media List of Accounts Dete nine 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 decimal places, es. 125.) FIFO LIFO Average-cost Cost of goods sold $ e Textbook and Media List of Accounts