Figure 13-5B -Figure 13-5B Above,the Demand Curve Shifts from D₁ to D₂.This

Figure 13-5B
-Figure 13-5B above,the demand curve shifts from D₁ to D₂.This most likely represents

A) an increase in demand that did not require a decrease in price.
B) an increase in demand that required an increase in price.
C) no change in price and no change in demand.
D) no change in demand or price but a greater profit due to economies of scale.
E) an increase in price from $0.50 to $1.50 per unit.