Maria's Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Maria's purchases of Xpert snowboards during September is shown below. During the same month, 120 Xpert snowboards were sold. Maria's uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 28 $97 $2,716 Sept. 12 Purchases 45 102 4,590 Sept. 19 Purchases 20 104 2,080 Sept. 26 Purchases 50 105 5,250 Totals 143 $14,636 (a) Compute the ending inventory at September 30 and cost of goods sold using the FIFO and LIFO methods. (b) The ending inventory at September 30 $ Cost of goods sold $ eTextbook and Media Save for Later FIFO $ $ For both FIFO and LIFO, calculate the sum of ending inventory and cost of goods sold. The sum of ending inventory and cost of goods sold $ eTextbook and Media Save for Later FIFO LIFO Attempts: 0 of 5 used Submit Answer $ LIFO Attempts: 0 of 5 used Submit Answer