ACCOUNT?NG PR?NC?PLES (AC 1101/1201/116 ss min. Elsa's Boards sells a During nventory system,atig to Elsa's Sept. 1 Sept. 12 Purchases 109 Sept. 19 Purchases48 Sept. 26 Purchases $100 6,300 104 11,336 109 5,232 12,705 $35,573 121 105 341 entory at September 30 and cost of goods sold using the FIFO and LIFO methods. LIFO FIFO 30 Cost of goods sold 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 s