Metro Computer, Inc. had the following balances and transactions during 2017: Beginning Merchandise Inventory as of January 1, 2017 240 units at $71 March 10 Sold 80 units June 10 Purchased 720 units at $76 October 30 Sold 125 units What would the company's ending merchandise inventory amount be on December 31, 2017 if the perpetual inventory system and the lastin, firstout inventory costing method are used? A. $54,720 B. $15,180 C. $71,760 D. $56,580