A company purchased 150 units for $33 each on January 10. It purchased 100 units for $25.5 on January 15. It sold 200 units for $45 each on January 20. If the company uses the weighted average inventory costing method, calculate the amount of ending inventory on January 31. (Assume that the company uses a perpetual inventory system.) Select one: O $1,300 $1,500 O $1,450 O $1,400 O $2,250