Which of the following describes the expenditures of an intermediate good?

1. General Motors purchases new tires from an American tire manufacturer to put on the cars that they are producing.
2. You purchase new tires for your used car which you only drive for personal use.
3. A U.S. firm disposes of used tires in a safe environmentally friendly manner.
4. You purchase a tire to build a tire swing for your children to play.