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3. Which of the following count towards changes in GDP in this year (select all that apply)? (a) A real estate agent receives $10,000 in commission to sell a house that was built 20 years ago. (b) The government spends $25 billion on unemployment insurance benefits. (c) The government spends $10 billion on research and development to bring astronauts to Mars. (d) The government spends $150 billion on Medicare to provide health insurance for the elderly. (e) A family pays their neighbor $40 to babysit their child, Answer: 4. Which of the following answers implies that real GDP per capita increases by approximately 3 percent per year (select all that apply)? (a) There is 2 percent deflation, the population increases by 2 percent, and nominal GDP increases by 3 percent. (b) Population decreases by 2 percent and real GDP increases by 5 percent. (c) Population increases by 2 percent and real GDP decreases by 5 percent. (d) Nominal GDP per capita decreases by 2 percent and the price level decreases by 5 percent. (e) There is 2 percent inflation, the population declines by 2 percent, and nominal GDP increases by 3 percent. Answer! 5. Suppose that, in 2010, Mexico's imports accounted for 4 percent of its GDP and its exports accounted for 3 percent of its GDP, whereas in 2011, Mexico's imports accounted for 8 percent of its GDP and its exports accounted for 9 percent of its GDP. Select all the correct statements: (a) Mexico had a trade surplus in 2010 and a trade deficit in 2011. (b) Mexico had a positive trade balance in 2010. (c) Mexico had a negative trade balance in 2011. (d) There is insufficient information to calculate the country's trade balance. (e) None of the above