On January 3, Concord Corp. purchased three portable electronic keyboards for $651 each. On January 20, it purchased three more of the same model keyboards for $483 each. During the month, it sold two keyboards; one that Concord purchased on January 3 and one that it purchased on January 20. (a) Calculate the cost of goods sold and ending inventory for the month using specific identification. Cost of goods sold $ 1134 Ending inventory $ 1134