The Figure Below Shows the Determination of the Equilibrium Price

Multiple Choice

The figure below shows the determination of the equilibrium price level and real GDP in an aggregate demand-aggregate supply model.The movement shown in this figure is most likely to be caused by:​ ​
Figure 10.6

A) a decrease in the real wage.
B) an increase in the economy's capital stock.
C) the actions of a labor union.
D) a decrease in consumer spending.
E) an increase in labor productivity.