2. Graph 1 below refers to a market for ice cream. 10 20 30 40 Q a. According to the graph shown, what is the equilibrium and what is the equilibrium quantity? Why? b. According to the graph shown, at a price of $5, is there a shortage or surplus, and by how many units? Please briey explain. 0. According to the graph shown, at a price of $15, is there a shortage or surplus, and by how many units? Please briey explain