Thelen's inventory records show the following data at January 31 Beginning inventory Jan 1 90 units at $8 per unit Jan 10 purchase 280 units at 511 per unit Jan 22 purchase 130 units at $12 per unit At January 31, 200 units are still on hand What is the cost of the ending inventory at January 31 | Tholen uses the LIFO method? O A $1,930 OB. $2,040 OC. $2,400 OD. 51,600