The Demand for DVD Players in a Country Is Given

Multiple Choice

The demand for DVD players in a country is given by D = 300 - 0.2P,where P is the price of a DVD player.Supply by domestic producers is given by S = 100 + 0.8P.The world price of a DVD player equals $100.In equilibrium,when this economy is closed to trade,the quantity of DVD players demanded domestically equals _________,and when this economy opens to trade,the quantity of DVD players demanded domestically equals __________.

A) 180;260
B) 180;280
C) 260;180
D) 260;280
E) 280;260