Martinez Jewelry shop buys three different rings: a one carat diamond solitaire at a cost of $1,610, a one carat oval sapphire at a cost of $2,070, and a two carat pear shaped emerald at a cost of $2,860. During the month, the shop sells two of the rings, at the selling price of $2,600 for the diamond ring and $3,830 for the emerald. At December 31, the sapphire ring is still on hand. Calculate the cost of goods sold using specific identification. Cost of goods sold $