Which of the following is the best example of money?

If the government uses tax money to pay for long-term investments such as roads or other infrastructure, what happens to the economy?

(A) Taxes decrease (B) Investment decreases (C) Investment increases (D) Taxes increase

How many people still live on less than the equivalent of $1.25 per day (new definition of "extreme poverty")?

a. 100 million. b. 500 million. c. 1.4 billion. d. 2.2 billion.