Please help me to solve these questions, thanks.

5. Which of the following is an example of a nal good or service? 3) Vegetables purchased by local restaurants to make soup. b) iron ore purchased by U.S. Steel Corp. to make steel for Ford. c) Intel Pentium II] chips purchased by IBM for their laptops. d) A CD player purchased by an impoverished community college instructor to listen to his one CD. 6. if a used car dealer buys a car for $7000 and reselis it for $8200, how much has been added to GDP? a) Nothing. b) $500. c) S l 200. d) $8200. 7. The circular ow model shows: a) the movement of expenditures and factor payments through the economy. b) how national income is distributed to individuals. c) how national income changes over time. d) the way to San Jose. 8. The income approach to measuring GDP: a) ignores how income is earned and focuses on how it is used. b) uses the factors payments made by households to businesses to estimate GDP. c) uses household expenditures to back out national income and GDP. d) focuses on how income is earned, not spent