Current Attempt in Progress The accounting records of Cullumber Company show the following data. Beginning inventory 2,800 units at $5 Purchases 7,800 units at $6 Sales 9,000 units at $10 (a) Your answer is incorrect. Determine cost of goods sold during the period under a periodic inventory system using the FIFO method. Cost of goods sold during the period eTextbook and Media Save for Later FIFO 20200 Attempts: 1 of 5 used Submit