If an Automobile Manufacturer Pays $200 for a Car Windshield,$400

Multiple Choice

If an automobile manufacturer pays $200 for a car windshield,$400 for four car tires,$100 for a car CD player,and sells cars made with these parts for $20,000,then each car the automobile manufacturer sells contributes how much to GDP?

A) $19,300.
B) $20,000.
C) $20,200.
D) $20,400.
E) $20,700.