I am in need of a graph illustration of how to show the short term effect on the equilibrium price and quantity of bus rides for part a and another graph illustration for substitute goods being bus rides and used cars .

3. An increase in labor-costs has made operating public bus systems very expensive. Management decides to pass the costs on to bus riders. a. Illustrate on a supply-demand curve the short-term effect on the equilibrium price and quantity of bus rides? a. Suppose bus rides and used autos are substitute goods. [1lustrate on a supply and demand curve the change in equilibrium prices and quantities for used cars