REI sells snowboards. Assume the following information relates to REI's purchases of snowboards during September. During the same month, 102 snowboards were sold. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 12 $105 $1,260 Sept. 12 Purchases 46 108 4,968 Sept. 19 Purchases 49 109 5,341 Sept. 26 Purchases 25 110 2,750 Totals 132 $14,319 Additional data regarding the company's sales of snowboards are provided below. Assume that REI uses a perpetual inventory system. Date Units Sept. 5 Sale 8 Sept. 16 Sale 49 Sept. 29 Sale 45 Totals 102 (a1) Calculate the weighted-average unit cost. (Round answers to 3 decimal places, eg. 5.125) September 11 September 5 $ September 12 $ September 16 $ September 19 $ September 26 $ September 29