need help with this problem - thank you

Tomasino's inventory records show the following data at January 31: Beginning inventory Jan. 1 Jan. 10 purchase Jan. 22 purchase 90 units at $9 per unit 300 units at $11 per unit 90 units at $12 per unit At January 31, 210 units are still on hand. What is the cost of the ending inventory at January 31 if Tomasino uses the FIFO method? O A. $2,250 O B. $1,890 OC. $2,400 OD. $2,130