need help solving the questions in photo #2 given the info from photo #1

Do It! Exercise 6-02 a-c The accounting records of Sage Hill Electronics show the following data. Beginning inventory Purchases Sales 3,000 units at $5 9,000 units at $7 9,500 units at $10 CALCULATOR PRINTER VERSION BACK Determine cost of goods sold during the period under a periodic Inventory system using the FIFO method. (Round answer to decimal places, e.g. 1,250.) FIFO Cost of goods sold during the period LINK TO TEXT Determine cost of goods sold during the period under a periodic inventory system using the UFO method. (Round answer to decimal places, e.. 1,250.) LIFO Cost of goods sold during the period LINK TO TEXT 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, g. 12.502 and final answer to decimal places, eg. 1,250.) Average-cost Cost of goods sold during the period Click if you would like to show Work for this questionOpen Show Work LINK TO TEXT