What method is used as the standard way to measure the effect of debt in an economy?

Economic growth is supported by

A) the rule of law. B) competent and honest government officials. C) an educated populace. D) openness to international trade and investment. E) all of the above.

Assume that $1 equals 100 yen (¥). A Japanese visitor to the United States wants to pay her $400 hotel bill. How many yen should she exchange in order to have enough dollars to pay the bill?

A) ¥4 B) ¥40 C) ¥4,000 D) ¥40,000