​​Exhibit 3-15 Supply and Demand Curves for Good X

​​Exhibit 3-15 Supply and demand curves for good X
-In the market shown in Exhibit 3-15, the equilibrium price and quantity of good X are:

A) ​$0.50, 250.
B) ​$2.00, 300.
C) ​$2.00, 100.
D) ​$1.00, 200.