The accounting records of Larkspur Electronics show the following data. Determine cost of goods sold during the period under a periodic inventory system using the FIFO method. Determine cost of goods sold during the period under a periodic inventory system using the LIFO method. eTextbook and Media Determine cost of goods sold during the period under a periodic inventory system using the average-cost method. (Round average-cost per unit to 3 decimal places, e.s. 12.502 and final answer to 0 decimal places, e.g. 1,250.)