What is the percentage of income received by the upper quintile on line Z?

Refer to the figure above. If a price control is imposed at $8, what is the deadweight loss?

A) $10 B) $50 C) $65 D) $85

In describing the economic setting in the real goods market, which of the following economic measures is the most helpful?

a. Current GDP Price Index b. Current GDP level c. Current capacity utilization rate d. Current real exchange rate e. Current nominal exchange rate