The marginal productivity principle has relevance only in a capitalist economy, and not in a socialist system.

Which scenario below most accurately describes the process by which a technological change can affect employment patterns across industries?

A) A technological advance makes it possible to produce more of good X with less labor. As a result, labor is released from producing good X. Some of this labor ends up producing goods Y and Z. B) A technological advance makes it possible to produce less of good X with less labor. As a result, labor is released from producing good X. Some of this labor ends up producing good Y. C) A technological advance makes it possible to produce more of good X with more labor. As a result, more labor is needed to produce good X. There is less labor available to produce goods Y and Z. D) A technological advance makes it possible to produce more of good X with less labor. As a result, labor becomes more important to the production of good X. More labor ends up producing good X. E) none of the above

What is the amount of tariff imposed on a ton of sugar? 

A. $1,000 B. $500 C. $1 D. $50