The figure above shows the marginal social cost curve of generating electricity and the marginal private cost curve. The marginal external cost when 100 billion kilowatt hours are produced is

U.S. exports of goods and services flow to households and firms in ________, and U.S. financial inflows of capital flow to households and firms in ________

A) the rest of the world; the United States B) the rest of the world; the rest of the world C) the United States; the United States D) the United States; the rest of the world E) the United States; the rest of the world and the United States

The above table indicates that variables x and y are

A) positively related. B) inversely related. C) negatively related. D) not related.