Determine whether each of the following would be included in the 2002 U.S. gross domestic product:

a. Profits earned by Ford Motor Company in 2002 on automobile production in Ireland.
b. Automobile parts manufactured in the United States in 2002 but not used until 2003.
c. Social Security benefits paid by the U.S. government in 2002.
d. Ground beef purchased and used by McDonald's in 2002.
e. Ground beef purchased and consumed by a private U.S. household in 2002.
f. Goods and services purchased in the United States in 2002 by a Canadian tourist.