Harpo's Used Cars Uses the Specific Identification Method of Costing

Multiple Choice

Harpo's Used Cars uses the specific identification method of costing inventory. During March Harpo purchased three cars for $12000 $14400 and $19200 respectively. During March two cars are sold for a total of $36400. Harpo determines that at March 31 the $14400 car is still on hand. What is Harpo's gross profit for March?

A) $2800.
B) $5200.
C) $4200.
D) $10000.