Given the following data, calculate the cost of ending inventory using the average cost method. (Round any intermediary and final answers to two decimal places.) Unit Date Item 1/1 Beginning inventory 50 units at $15 per unit 4/25 Purchase of inventory 20 units at $20 per unit 5/19 Purchase of inventory 30 units at $25 per unit 12/31 Ending inventory 40 units $1,140.00 $720.50 $760.00 $600.00