Use the data given in Problem 7 on page 73 of the text to answer the following questions: a) what is the equilibrium price?

Use the data given in Problem 7 on page 73 of the text to answer the following questions: a) what is the equilibrium price?, b) if supply at every price is reduced by 6 gallons, what will the new equilibrium price be?, c) if the government freezes the price of gasoline at its initial equilibrium price, how much of a surplus or shortage will exist when supply is reduced as described above?, and d) illustrate your answers on a graph.