If the horizontal line on the graph represents a price floor, then the price floor is

Question $7$ options:

A$)$ binding and creates a surplus of $60$ units of the good.

B$)$ binding and creates a surplus of $20$ units of the good.

C$)$ not binding, and there will be no surplus or shortage of the good.

D$)$ binding and creates a shortage of $60$ units of the good.