Current Attempt in Progress On January 3, Martinez Corp. purchased three portable electronic keyboards for $59 each On January 20 purchased more of the same model keyboards for $492 each. During the month, it sold two keyboards, one that Martines purchased on Jan that it purchased on January 20 and one (3) Calculate the cost of goods sold and ending inventory for the month uning reedifcidentification Cost of goods sold Ending inventory $ SONY