Figure 9-23 The Following Diagram Shows the Domestic Demand and Domestic Supply

Multiple Choice

Figure 9-23
The following diagram shows the domestic demand and domestic supply for a market.Assume that the world price in this market is $120 per unit.
-Refer to Figure 9-23.With free trade,the domestic price and domestic quantity supplied are

A) $90 and 10.
B) $90 and 18.
C) $120 and 5.
D) $120 and 18.