Country X does not allow imports of clothing. In its equilibrium without trade, a sweater costs $20 and the equilibrium quantity is 3 million sweaters. One day, the president decides to open the...

Extracted text: Country X does not allow imports of clothing. In its equilibrium without trade, a sweater costs $20 and the equilibrium quantity is 3 million sweaters. One day, the president decides to open the market to international trade. The market price of a sweater falls to the world price of $16. The number of sweaters consumed in Country X rises to 4 million, while the number of sweaters produced declines to 1 million. a) illustrate in a graph the situation just described. Your graph should show all the numbers. b) Calculate the change in consumer surplus, producer surplus, and total surplus that results from opening up trade.