Quality Motors Is a Japanese-Owned Company That Produces Automobiles;all of Its

Quality Motors is a Japanese-owned company that produces automobiles;all of its automobiles are produced in American plants.In 2010 Quality Motors produced $30 million worth of automobiles,with $17 million in sales to Americans,$9 million in sales to Canadians,and $4 million worth of automobiles added to Quality Motors' inventory.The transactions just described contribute how much to U.S.GDP for 2010?

A) $17 million
B) $21 million
C) $26 million
D) $30 million