Refer to the graph below which shows the import demand and export supply curves for two nations that produce a certain product. Lines 6 and 8 apply to one nation and represent, respectively:

In the long run, all firms in a monopolistically competitive industry make

A) negative accounting profit. B) zero accounting profit. C) an economic profit. D) zero economic profit.

Under a system of flexible exchange rates, a decrease in the demand for a country's currency on the foreign exchange market will: a. cause the country's currency to depreciate in value

b. cause the country's currency to appreciate in value. c. make the country's goods more expensive to foreigners. d. make foreign goods less expensive to the country's citizens.