________ risk involves variation in returns due to the ups and downs of the economy, the industry and the firm

The aggregate demand for good X is Q = 20 - P, and the market price is P = $8. What is the maximum amount that consumers are willing to pay for the quantity demanded at this price?

A) $72 B) $96 C) $144 D) $168

Refer to the diagram where curves (a) through (e) are for five different countries. Of the countries listed below, income is most unequally distributed in country:

A.  a.
B.  b.
C.  c.
D.  d.