can you please show the work & whete you are getting the numbers from?

Margaret's Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Margaret's purchase of Xpert snowboards during September is shown below. During the same month, 120 Xpert snowboards were sold. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 25 $50 $1,250 Sept. 12 Purchases 45 58 2,610 Sept. 19 Purchases 15 60 900 Sept. 26 Purchases 40 61 2,440 Totals 125 $7,200 Additional data regarding Margaret's sales of Xpert snowboards are provided below. Assume that Margaret's uses a perpetual inventory system. Date Units Unit Price Total Revenue Sept. 5 Sale 10 $181 $1,810 Sept. 16 Sale 50 181 9,050 Sept. 29 Sale 60 213 12,780 120 $23,640 Totals Calculate moving average cost at Sept 1, 5, 12, 16, 19,26 & 29. (Round answers to 2 deci September 1 50 September 5 50 September 12 $ 56 September 16 $ 56 September 19 58.4 September 26 60 September 29 $ 60 LA $ LA LA LA $ tA tA Compute ending inventory at September 30 using FIFO, LIFO, and moving-average cost. (Round average-cost per unit to 2 places, e.g. 12.50 and final answer to O decimal places, e.g. 1,250.) FIFO LIFO MOVING-AVERAGE COST $ 916 $ The ending inventory 750 $