The table above gives Jane's total utility from magazines and CDs. The price of a magazine is $4 and the price of a CD is $10. What is the marginal utility per dollar from CDs when the sixth CD is purchased?

Let's assume producers in Canada can make 200 units of beef or 50 units of oranges, and U.S. producers can make 50 units of beef or 200 units of oranges per time period. Which country faces the lowest opportunity cost of producing beef?

A) The U.S. B) Canada C) Both countries D) Neither country

The Sherman Antitrust Act was passed to

A) protect companies from foreign competition. B) protect the monopoly profits of firms. C) control the growth of monopolies in the U.S. D) prevent market price from equaling marginal cost.