Question 2 of 5 - /5 Current Attempt in Progress Pronghorn Corp sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Pronghorn Corp's purchases of EZslide snowboards during September. During the same month, 100 EZSlide snowboards were sold. Pronghorn Corp uses a periodic inventory system. Date Sept. 1 Sept. 12 Sept. 19 Sept. 26 Explanation Inventory Purchases Purchases Purchases Units 13 49 54 24 Unit Cost Total Cost $115 $ 1.495 118 5.782 119 6,426 120 2,880 $16,583 Totals 140 (a) Compute the ending inventory at September 30 using the FIFO, LIFO and average-cost methods. (Round average cost per unit to 3 decimal places, eg. 125.153 and final answers to decimal places, eg. 125.) FIFO LIFO AVERAGE-COST $ $ The ending inventory at September 30 (b) Compute the cost of goods sold at September 30 using the FIFO, LIFO and average cost methods. (Round average cost per unit to decimal places, eg. 125.153 and final answers to decimal places, eg. 125.) FIFO LIFO AVERAGE-COST Cost of goods sold $ $