A company purchased 80 units for $30 each on January 31. It purchased 200 units for $25 each on February 28. It sold 200 units for $80 each from March 1 through December 31. If the company uses the first - in, first - out inventory costing method, what is the amount of Cost of Goods Sold on the income statement for the year ending December 31? (Assume that the company uses a perpetual inventory system.) OA. $5,400 B. $2,400 ary OC. $5,000 ces OD. $7,400