-The market for unskilled labor is illustrated in the figure above. The market is in equilibrium and then a minimum wage of $10 per hour is imposed. Employment will fall

-The market for unskilled labor is illustrated in the figure above. The market is in equilibrium and then a minimum wage of $10 per hour is imposed. Employment will fall by
A) 0 hours.
B) 10 million hours per year.
C) 20 million hours per year.
D) 30 million hours per year.