Figure 18-4 This Figure Below Shows the Labor Market for Automobile Workers.The

Figure 18-4
This figure below shows the labor market for automobile workers.The curve labeled S is the labor supply curve,and the curves labeled D₁ and D₂ are the labor demand curves.On the horizontal axis,L represents the quantity of labor in the market.
-Refer to Figure 18-4.What is measured along the vertical axis on the graph?

A) The quantity of automobiles produced
B) The price of automobiles
C) The wage paid to automobile workers
D) Time spent by workers producing automobiles