(b) Suppose that the equilibrium price of cars in Chicago increases and the equilibrium quantity of cars also increases. Which of the following events is most likely to have occurred? i. A new lane being built on Lakeshore Drive " ii. An increase in the price of gasoline iii. An increase in the price of scrap metal (which is used to make cars) iv. A new CTA bus route (which is a substitute for using a car)