-The Above Figure Shows the Australian Market for Replacement Mobile

-The above figure shows the Australian market for replacement mobile phone batteries. With free trade, Australia imports ________ batteries and once the tariff illustrated in the figure is imposed, Australia imports ______ batteries.

A) 800,000; 400,000
B) 300,000; 100,000
C) 900,000; 100,000
D) 900,000; 700,000
E) 700,000; 300,000