A company purchased 300 units for $40 each on January 31. It purchased 150 units for $25 each on February 28. It sold a total of 150 units for $70 each from March 1 through December 31. If the company uses the weighted average inventory costing method, calculate the cost of ending Inventory on December 31. (Assume that the company uses a perpetual inventory system. Round any intermediate calculations two decimal places, and your final answer to the nearest dollar.) RE O A. $10,500 B. $5,250 O c. $15.750 OD. $9.750