A painter pays $500 for paint he uses to repaint a house. he then presents a bill for $1200 that covers his time and expenses to the homeowner. how much do these transactions add to gdp?

What would happen to the equilibrium price and quantity of lattés if the cost to produce steamed milk

The green revolution is a scientific breakthrough that improved seeds for basic crops. how did the green revolution impact the supply of basic crops such as wheat and corn? the supply of wheat and corn increased. there was no impact on the supply of basic crops. the supply of basic crops did not change, but the quantity supplied of basic crops increased. the supply of wheat and corn decreased.

What is the cause of smoky exhaust?