Exercise 6-15 (Part Level Submission) Kingbird, Inc. sells a snowboard, EZ slide, that is popular with snowboard enthusiasts. Below is information relating to Kingbird, Inc.'s purchases of EZ slide snowboards during September. During the same month, 104 EZ slide snowboards were sold. Unit Unit Cost Explanation Inventory Total Cost $120 Set 1 Set 12 Sept. 19 Sets Purces 5328 Additional data regarding the company's sales of EZ slide snowboards are provided below. Assume that Kingbird, Inc. uses a perpetual inventory system. Sept. Sept. 26 Sept. 29 Sale Sale Sale Totals (a) Your answer is correct. Calculate the average unit cost. (Round answers to 3 decimal places, e.g. 5.125.) Setember September September 12 September 16 Ammat 1 of 3 used (b) Compute ending inventory at September 30 using FIFO, LIFO, and moving-average. (Round answers to decimal places, e.g. 125.) FIFO L IFO AVERAGE-COST The ending into