If a non profit organization receives a donation of $100,000 and uses that to produce goods and services in the country it operates in, which it then gives away for free, how much of the donation would contribute to GDP?

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars