Monty sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Monty's beginning inventory and purchases of EZslide snowboards during September. During the same month, 100 EZslide snowboards were sold. Monty uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 11 $93 $1,023 Sept. 12 Purchases 45 96 4,320 Sept. 19 Purchases 50 97 4,850 Sept. 26 Purchases 21 98 2,058 Totals 2 127 $12,251