please complete part b

Susan's Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Susan's purchases of Xpert snowboards during September is shown below. During the same month, 120 Xpert snowboards were sold. Additional data regarding Susan's sales of Xpert snowboards are provided below. Assume that Susan's uses a perpetual inventory system. Calculate moving average cost at Sept 1,5,12, 16,19,26 8. 29. (Round answers to 2 decimal places, es, 1.25.) September 1 September 5 September 12 September 16 September 19 September 26 September 29 (a2) Compute ending imventory at September 30 using FIFO, LIFO, and moving-average cost. (Round average-cost per unit to 2 decimal places, es. 12.50 and final answer to 0 decimol places, es. 1,250. Compute ending imventory at September 30 using FIFO, LFF, and moving average cost. (Round average-cost per unit to 2 decimal ploces, es. 12.50 and final answer to 0 decimal places, es 1,250.) (b) * Your answer is incorrect. Compare ending inventory using a perpetual iiventory system to ending inventory using a periodic inventory system