Exhibit 4-3 Supply and Demand Curves

Exhibit 4-3 Supply and demand curves

In Exhibit 4-3, an increase in demand would cause a movement from which equilibrium point to another, other things being equal?

A) E₁ to E₂.
B) E₁ to E₃.
C) E₄ to E₁.
D) E₁ to E₄.