Macroeconomics 15th Edition by James Gwartney, Richard Stroup, Russell Sobel, David Macpherson

Exercise 15

How much do each of the following contribute to GDP
a. Jones pays a repair shop $1,000 to rebuild the engine of her automobile.
b. Jones spends $200 on parts and pays a mechanic $400 to rebuild the engine of her automobile.
c. Jones spends $200 on parts and rebuilds the engine of her automobile herself.
d. Jones sells her four-year-old automobile for $5,000 and buys Smith's two-year-old model for $10,000.
e. Jones sells her four-year-old automobile for $5,000 and buys a new car for $20,000.