A company purchased 500 units for $40 each on January 31. It purchased 200 units for $30 each on February 28. It sold a total of 300 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.) A. $11,144 B. $14,856 C. $14,000 D. $26,000