Dorothy's Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Dorothy's purchases of Xpert snowboards during September is shown below. During the same month, 126 Xpert snowboards were sold. Dorothy's uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost 29 $95 $ 2755 Sept. 1 Inventory 45 102 4.590 Sept. 12 Purchases 20 104 2080 Sept. 19 Purchases 50 105 5,250 Sept. 26 Purchases $14.675 144 Totals (a) Your answer is incorrect. mpute the ending inventory at September 30 and cost of goods sold using the FIFO and LIFO methods. FIFO LIFO $ $ 2100 The ending inventory at September 30 $ 12575 $ Cost of goods sold eTextbook and Media Attempts: 2 of 5 used Submit Answ Save for Later (b). For both FIFO and LIFO, calculate the sum of ending inventory and cost of goods sold. FIFO LIFO $ The sum of ending inventory and cost of goods sold e Textbook and Media Attempts: 0 of Sused Storm Save for Later Type here to search hp