Thelen's inventory records show the following data at January 31: Beginning inventory Jan. 1 90 units at $9 per unit Jan. 10 purchase 280 units at $12 per unit Jan 22 purchase 90 units at $13 per unit At January 31, 240 units are still on hand. What is the cost of the ending inventory at January 31 if Thelen uses the LIFO method? O A. $2,160 OB. $2,760 O C. $2,610 OD. $3,120 Click to select your answer. F Type here to search