The inventory data for an item sold by Able Co. for November is as follows: Nov 1 Inventory 30 units at $30 each 10 Purchase 36 units at $31 each 20 Purchase 25 units at $32 each Nov. 30 Ending Inventory 34 units. Assume Able Co. sells its inventory at s50 per unit and has cost of goods sold is s1764. What is Able's gross margin? 1. $2850 2. $1058 3. (S64) 4, $1086