Consider the market for bicycles. We are interested in the total revenue generated by equilibrium price and quantity. a. Suppose demand increases. Graph the change in equilibrium. What happens to total revenue at equilibrium? Do we have enough information to answer this question? If not, what do we need to know? b. Suppose supply increases. Graph the change in equilibrium. What happens to total revenue at equilibrium? Do we have enough information to answer this question? If not, what do we need to know?