Martin's Used Cars uses the specific identification formula of costing inventory. During March. Martin purchased three cars: a Honda Civic for $9200, a Chevy Malibu for $ 11800, and a Ford Pinto $ 9900, respectively. During March, two cars are sold for $ 15600 each. Martin determines that at March 31, the Ford Pinto is still on hand. What is Martin's cost of goods sold for March? O $ 21700 O $21000 O $ 20200 $ 9900