Exercise 6-15 (Part Level Submission) Pearl Co. sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Pearl Co.'s purchases of EZslide snowboards during September. During the same month, 109 EZslide snowboards were sold Date Sept. 1 Sept. 12 Sept. 19 Sept. 26 Explanation Units Unit CostTotal Cost $91 94 95 96 $1,001 4,700 4,940 2,112 $12,753 50 52 Purchases Purchases Purchases Totals 135 Additional data regarding the company's sales of EZslide snowboards are provided below. Assume that Pearl Co. uses a perpetual inventory system. Date Sept. 5 Sept. 16 Sept. 29 Units Sale Sale Sale S2 49 109 Totals (a) Your answer is correct. Calculate the average unit cost. (Round answers to 3 decimal places, e.g. 5.125.) Your answer is correct. Calculate the average unit cost. (Round answers to 3 decimal places, e.g. 5.125.) September 1 September 5 September 12 91 s 91 93.830 September 16 93.830 94.978 September 19 September 26 September 29 s 95.278 95.278 (b) Your answer is incorrect. Try again. Compute ending inventory at September 30 using FIFO, LIFO, and moving-average. (Round answers to 0 decimal places, e.g. 125.) FIFO LIFO VERAGE-COST The ending inventory