Swifty's Used Cars uses the specific identification method of costing inventory. During March, Swifty purchased three cars for $12500, $15000, and $19000, respectively. During March, two cars are sold for a total of $35200. Swifty determines that at March 31, the $15000 car is still on hand. What is Swifty's gross profit for March? O $2700. O $7700. O $3700. O $1200.