Pina Jewelry shop buys three different rings: a one carat diamond solitaire at a cost of $1.390, a one carat oval sapphire at a cost of $2,040, and a two-carat pear shaped emerald at a cost of $2,770. During the month, the shop sells two of the rings, at the selling price of $2,290 for the diamond ring and $3,680 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 S