Ivanhoe Company sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Ivanhoe Company's purchases of EZslide snowboards during September. During the same month, 105 EZslide snowboards were sold. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 13 $94 $1,222 Sept. 12 Purchases Sept. 19 Purchases Sept. 26 Purchases Totals 97 4,559 98 4,998 20 99 1,980 $12,759 Additional data regarding the company's sales of EZslide snowboards are provided below. Assume that Ivanhoe Company uses a perpetual inventory system. Date Units Sept. 5 Sale 8 Sept. 16 Sale 50 Sept. 29 Sale 47 Totals 105