As you can see I life wrong. Can explain to be how to solve it or what I did wrong please

Carla Vista Co. sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Carla Vista Co's purchases of EZslide snowboards during September. During the same month, 116 EZslide snowboards were sold. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 15 $100 $1,500 Sept. 12 Purchases 49 103 5,047 Sept. 19 Purchases 58 104 6,032 Sept. 26 Purchases 23 105 2,415 Totals 145 $14,994 Additional data regarding the company's sales of EZslide snowboards are provided below. Assume that Carla Vista Co. uses a perpetual inventory system. Date Units Sept. 5 Sale 8 Sept. 16 Sale 54 Sept. 29 Sale 54 Totals 116- Your answer is partially correct. Compute ending inventory at September 30 using FIFO, LIFO, and moving-average. (Round answers to O decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST The ending inventory $ 3,039 $ 2,942 3,023