-The First Table Above Gives the Labor Demand and Labor

$$\begin{array} { | c | l | l | } \hline \begin{array} { c } \text { Labordemand } \\\text { (billions of } \\\text { hours peryear) }\end{array} & \begin{array} { c } \text { Real wage rate } \\\text { (2005 dollars) }\end{array} & \begin{array} { l } \text { Labor supply } \\\text { (billions of } \\\text { hours per year) }\end{array} \\\hline 0 & 30 & 6 \\\hline 1 & 25 & 5 \\\hline 2 & 20 & 4 \\\hline 3 & 15 & 3 \\\hline 4 & 10 & 2 \\\hline\end{array}$$
$$\begin{array} { | c | l | } \hline \begin{array} { c } \text { Employment } \\\text { (billions of } \\\text { hours peryear) }\end{array} & \begin{array} { c } \text { Real GDP } \\\text { (billions of } \\2005 \text { dollars) }\end{array} \\\hline 6 & 95 \\\hline 5 & 90 \\\hline 4 & 80 \\\hline 3 & 60 \\\hline 2 & 30 \\\hline\end{array}$$
-The first table above gives the labor demand and labor supply schedules for a nation. The second table gives its production function.
a) What is the equilibrium real wage rate and the level of employment?
b) What is potential GDP?