The Above Figure Shows the U

The above figure shows the U.S. market for 1 carat diamonds.
-With free trade, U.S. production ofdiamonds is equal to _ diamonds. When the quota illustrated in the figure is in place, U.S. production is equal to diamonds.

A) 300,000; 100,000
B) 300,000; 500,000
C) 100,000; 500,000
D) 100,000; 300,000
E) 900,000; 700,000