Which of the following is the most likely candidate for a decreasing-cost industry?

If there is unemployment in an economy, then the

A) economy is operating at an unattainable point. B) production possibilities frontier will shift inwards. C) production possibilities frontier must be bowed inward. D) economy is producing at a point inside the production possibilities frontier. E) production possibilities frontier will shift outwards.

Total U.S. health care spending in 2011 was approximately:

A. $847 billion. B. $1.1 trillion. C. $2.7 trillion. D. $4.1 trillion.