2: Use the data in the demand and supply schedules below to plot a demand and supply diagram [4 marks] b Use your graph to calculate the total value of the consumer surplus at the equilibrium price [2 marks] c Calculate the total value of the producer surplus if the price falls to $10. [2 marks] at Caiculate the quantity of excess demand at a price of $10 per unit [2 marks] e Calculate the quantity of excess supply at a price of $30 per unit [2 marks]