Which statement is true about a single$-$payer health$-$care system?

The administrative costs of this system are much higher than those of multiple$-$payer systems $($like the United States$)$ because there is only one major payer that all providers deal with for basic health$-$care services.

The government is the only major payer for health care.

It is often characterized by elective coverage.

Only women, children, and the elderly are eligible.