City and county governments are responsible for funding public elementary and secondary schools, and most states support public colleges and universities. The federal government supports education through grants that go to schools. Which CENTRAL idea of the article is MOST supported by the paragraph?

People in our country are taxed according to their "ability to pay."

Taxes can be used to provide a "safety net" for those in need.

Governments use taxes to provide services that benefit everyone.

State governments tax some items to discourage their use.