The Figure Given Below Represents Equilibrium in the Labor Market

The figure given below represents equilibrium in the labor market. Figure 28.5 In the figure,
VMP: Value of marginal product curve
MRP: Marginal revenue product curve
MFC: Marginal factor cost
S: Supply curve of labor
According to Figure 28.5, what is the equilibrium level of employment?

A) 0 units
B) L₁ units.
C) L₂ units.
D) L₃ units.
E) L₄ units.