(Look at the graph provided below) Assume that there is an external cost involved in the market illustrated in the figure provided. Economists argue that in an unregulated private market, ________ is produced. In the figure, the supply curve (S1) reflects ________ cost. a. too little; private b. too much; private c. too much; external d. too little; the sum of external and private e. too much; the sum of external and private