Suppose the market for good X has a four-firm concentration ratio of 0.80. Having worked for the four largest firms in the industry, you know the sales for these four firms are given by $100,000, $125,000, $150,000, and $175,000. Based on this information, we know that sales for the remaining firms in the industry are:

Given its production possibilities curve, the optimal combination of outputs for a society: a. is beyond the production possibilities curve

b. is at the midpoint of the production possibilities curve. c. is inside the production possibilities curve. d. depends on the preferences of that society.

A nation's real GDP was $250 billion in 2013 and $265 billion in 2014. Its population was 122 million in 2013 and 125 million in 2014. What is the growth rate of real GDP per capita in 2014?

A.  1.1% B.  2.5% C.  5.0% D.  3.4%