Use the figure below to answer question 5 to 7. Wage rate (dollars per hour) 6 D 0 20 40 60 80 Labour (millions of hours) Figure 6.2.1 5) Refer to Figure 6.2.1. What is the equilibrium wage rate per hour in an unregulated market? A) $2 B) $3 C) $4 D) $5 E) $30