Crane Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Crane's purchases of Xpert snowboards during September is shown below. During the same month, 80 Xpert snowboards were sold. Crane's uses a periodic inventory system. (a) Compute the ending inventory at September 30 and cost of goods sold using the FIFO and average-cost methods. (Round per unit cost to 3 decimal places, e.g. 15.125 and final answers to 0 decimal places, e.g. 125.) (b) For both FIFO and average-cost, calculate the sum of ending imventory and cost of goods sold. (Round per unit cost to 3 decimal places, eg. 15.125 and final answers to 0 decimal places, e.g. 125.) Marigold Camera Shop uses the lower-of-cost-or-net realizable value basis for its inventory. The following data are available at December 31. Determine the amount of the ending inventory by applying the lower-of-cost-or-net realizable value basis. The ending inventory Marigold Jawelry reported the following income statement data for a 2-year period. Marigold uses a pariodic imentory system. The invantories at January 1, 2019, and December 31, 2020, are correct. However, the ending imentory at Decamber 31, 2019, was understated HK\$63,000. Prepare corract income statement data for the 2 years. (b) What is the cumulative affect of the inventory arror on total gross profit for the 2 years? The cumulative effect on total gross profit for the two years is HKS