View Policies Current Attempt in Progress The accounting records of Metlock Electronics show the following data. Beginning inventory 2,950 units at 5 Purchases i 7,900 units at 7 Sales 9,100 units at 10 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 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 Determine cost of goods sold during the period under a periodic inventory system using the average-cost method. (Round average unit cost to 3 decimal places, eg. 25.167 and final answers to O decimal places, eg. 125.) Cost of goods sold during the period eTextbook and Media