please do it correctly will upvote

The accounting records of Shamrock Electronics show the following data. (a) Determine cost of goods sold during the period under a periodic inventory system using the FIFO method. eTextbook and Media Attempts: 0 of 5 used (b) Determine cost of goods sold during the period under a periodic inventory system using the LIFO method. eTextbook and Media Attempts: 0 of 5 used (c). Determine cost of goods sold during the period under a periodic inventory system using the average-cost method. (Round averagecost per unit to 3 decimal places, e.g. 12.502 and final answer to 0 decimal places, e.g. 1,250.)