17) A company purchased 400 units for $30 each on January 31. It purchased 135 units for $40 each on February 28. It sold 200 units for $55 each from March 1 through December 31. If the company uses the last-in, first-out inventory costing method, what is the amount of Cost of Goods Sold on the income statement for the year ending December 312 (Assume that the company uses a perpetual inventory system.) A) $17,400 B) $7350 $5400 D) $12,000