Which of the following is most sensitive to monetary policy?

In the short run, if current output remains persistently above potential ________

A) inflation will rise causing a movement along the aggregate supply curve B) expected inflation will rise causing an upward shift of the aggregate supply curve C) the aggregate supply curve will shift until current output returns to its potential level D) all of the above E) none of the above

Suppose a firm uses the following price strategy for every customer. The first two units purchased cost $4 each, and any extra unit costs $3.50. What kind of price discrimination is this?

A) First-degree price discrimination B) Group price discrimination. C) Non-uniform pricing. D) Uniform pricing.