Which of the following is directly included in the U.S. GDP for 2013?
1. a 2013 Cadillac Escalade produced and sold as a new car in the United States in 2013
ii. tires produced in the United States, purchased by General Motors, and installed on a new Cadillac Escalade sold in 2013
iii. General Motors cars produced in Canada because General Motors is an American corporation
• i only
• ii only
• i and iii
• ii and iii
• i, ii, and iii