The Figure Above Shows a Labour Market with an Income

The figure above shows a labour market with an income tax.
-According to the figure above, if there is no income tax, the equilibrium real wage rate is ________ and the equilibrium hours of labour are ________.

A) $20; 200 billion
B) $30; 250 billion
C) $30; 200 billion
D) $35; 200 billion
E) The equilibrium is not shown.