The Figure Given Below Shows the Demand and Supply of Unskilled

The figure given below shows the demand and supply of unskilled labor that determines the equilibrium wage rate in the labor market.The minimum wage rate at $5.15 is higher than the equilibrium wage rate at $4.
-Refer to Figure 18-1.The increase in the number of workers looking for work in this market due to the imposition of a $5.15 minimum wage is _____.

A) L₁L₃
B) L₂L₃
C) OL₁
D) L₂L₁