-Refer to the Diagram Above,which Shows the Domestic Demand and Supply

-Refer to the diagram above,which shows the domestic demand and supply curves for a product in the nation of Zancuzi.When the world price for this product is $0.50,Zancuzi will have

A) a domestic shortage of 200 units.
B) a domestic surplus of 200 units.
C) a domestic shortage of 400 units.
D) neither a domestic surplus nor a domestic shortage.
E) a domestic surplus of 300 units.