I NEED HELP WITH THESE FOUR QUESTIONS AND IF ITS OKAY CAN YOU EXPLAIN IT TO ME ( THANKS )

Current Attempt in Progress The accounting records of Windsor Electronics show the following data. 2,800 units at $5 Beginning inventory Purchases 8,400 units at $7 Sales 9,500 units at $10 (a) Determine cost of goods sold during the period under a periodic inventory system using the FIFO method. (Round answer to o decimal places, e.g. 1,250.) FIFO Cost of goods sold during the period $ e Textbook and Media Linda's Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Linda's purchases of Xpert snowboards during September is shown below. During the same month, 121 Xpert snowboards were sold. Linda's uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 26 $95 $ 2,470 Sept. 12 Purchases 45 105 4,725 Sept. 19 Purchases 20 107 2,140 Sept. 26 Purchases 50 108 5,400 Totals 141 $14,735 (a) Compute the ending inventory at September 30 and cost of goods sold using the FIFO and LIFO methods. FIFO LIFO The ending inventory at September 30 $ $ Cost of goods sold $ $ Concord Company uses a periodic system reports the following for the month of June. Units Unit Cost Total Cost June 1 Inventory 260 $6 $ 1,560 12 Purchase 450 7 3,150 23 Purchase 330 8 00 2,640 30 Inventory 130 (a) Compute the cost of the ending inventory and the cost of goods sold under FIFO and LIFO. FIFO LIFO Cost of the ending inventory $ $ $ Cost of goods sold $ $ Bonita Company reports the following for the month of June. Units Unit Cost Total Cost June 1 Inventory 290 $8 $ 2,320 12 Purchase 400 9 3,600 23 Purchase 310 10 3,100 30 Inventory 150 (a1) Calulate Weighted Average Unit Cost. (Round answer to 2 decimal places, e.g. 15.25.) Weighted Average Unit Cost $