The events of September 11, 2001 had a major direct impact on the economy's GDP

Which of the following statements is true about revenue?

A) Revenue is calculated by dividing the price per unit by the number of units sold. B) The terms "revenue" and "profit" can be used interchangeably. C) A firm's revenue will increase as its costs increase. D) Revenue is the total amount received for selling a good or service.

How can a trade deficit actually increase the productivity of an economy?

(A) By causing people to save. (B) By importing investment goods used for capital deepening. (C) By importing goods for short-term use. (D) By building up a large amount owed.