A company purchased 200 units for $40 each on January 31. It purchased 150 units for $35 each on February 28. It sold a total of 150 units for $60 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.) OA. $5,678 OB. $7,572 OC. $7,500 OD. $13,250 es 1