Which of the Following Would Not Increase U.S.GDP

Multiple Choice

Which of the following would not increase U.S.GDP?

A) increased demand in Costa Rica for California-made personal computers
B) increased demand in Alabama for California-made personal computers
C) increased production of computers in California,but no increase in the number sold
D) increased shipments of computers from the U.S.to Canada
E) increased shipments of Ghanian cocoa to the United States on Greek vessels