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Exercise 6-05 a-b (Part Level Submission) (Video) Betty's Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Betty's purchases of Xpert snowboards during September is shown below. During the same month, 121 Xpert snowboards were sold. Betty's uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 26 $96 $ 2,496 Sept. 12 Purchases 45 104 4,680 Sept. 19 Purchases 20 106 2,120 Sept. 26 Purchases 50 107 5,350 Totals 141 $14,646 (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 $ Click if you would like to Show Work for this question: Open Show Work LINK TO TEXT Attempts: 0 of 5 used SAVE FOR LATER SUBMIT ANSWER (b ) The parts of this question must be completed in order. This part will be available when you complete the part above