Labor demand (billions of hours per year)	Real wage rate (2009 dollars)	Labor supply (billions of hours per year)
1	25	5
2	20	4
3	15	3
4	10	2
5	15	1

Employment (billions of hours per year)	Real GDP (billions of 2009 dollars)
5	95
4	90
3	80
2	60
1	30

The first table above gives the labor demand and labor supply schedules for a nation. The second table gives its production function.

a)	What are the equilibrium real wage rate and the level of employment?

b)	What is potential GDP?