Which of these is an example of a private service that you would pay a business for?

Checking out a book from the library

Going to a restaurant for dinner

Seeing a police officer direct traffic

A service is a job that someone does for other people. Which of these describes a private service?

A job provided by the government for everyone

A job sold by a business that you pay for

A task that a neighbor does for free

A project that benefits the entire city