Please answer part b of the problem.

Exercise 6-5 (Part Level Submission) Novak's Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Novak's purchases of Xpert snowboards during September is shown below. During the same month, 151 Xpert snowboards were sold. Novak's uses a periodic inventory system. Date Units Unit Cost Total Cost Explanation Inventory 33 $100 Sept. 1 Sept. 12 Sept. 19 Purchases 56 103 $ 3,300 5,768 2,725 6,930 Purchases 25 109 Sept. 26 Purchases 63 110 Totals 177 $18,723 (a) Your answer is correct. 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 2,860 2600 Cost of goods sold 15863 16123 (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