On January 3, Novak Corp. purchased three portable electronic keyboards for $636 each. On January 20, it purchased four more of the same model keyboards for $518 each. During the month, it sold two keyboards; one that Novak 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		$
Ending inventory		$