Health care costs rose more than 10 percent in 2011, according to a survey of insurers by Aon Consulting Worldwide. Which of the following would be a variable cost in a hospital?

The largest source of federal government revenue in the United States is

A) corporate income taxes. B) individual income taxes. C) payroll taxes. D) excise taxes.

Which of the following is NOT a deficit item on the international accounts balance sheet for a country?

A) imports of merchandise B) military spending abroad C) purchases of foreign currency D) exports of merchandise