Refer to Figure 3-8

Multiple Choice

Refer to Figure 3-8. The graph in this figure illustrates an initial competitive equilibrium in the market for apples at the intersection of D₂ and S₁ (point C) . Which of the following changes would cause the equilibrium to change to point B?

A) a positive change in the technology used to produce apples and a decrease in the price of oranges, a substitute for apples
B) an increase in the wages of apple workers and an increase in the price of oranges, a substitute for apples
C) an increase in the number of apple producers and a decrease in the number of apple trees as a result of disease

D) a decrease in the wages of apple workers and an increase in the price of oranges, a substitute for apples