The Figure Above Shows the U

Multiple Choice

The figure above shows the U.S. market for T-shirts, where SUS is the domestic supply curve and DUS is the domestic demand curve. The United States trades freely with the rest of the world. The world price of a T-shirt is $5.
-Based on the figure above,as a result of international trade,U.S.domestic production ________ million T-shirts per year.

A) decreases by 20
B) increases by 20
C) decreases by 10
D) increases by 40
E) increases by 10