But there is a weight given to cost . Im sorry . There is a weight, there is a consideration gifsh to costs . Whenever we do regulations theres an evaluation of costs and of benefits. Okay. I guess that thats im about out of time anyway. Morgan stole some of my notes and asked some of my questions. So anyway, with that, mr. Chairman, i yield back. At this time the chair recognizes the gentleman from texas, mr. Flores. Thank you, mr. Chairman. Ms. Mccabe, thank you for joining us today. How does the market price risk . If you know something and you know what the cost is of something, it has a price. You know that price. But if you dont know something, then the price is higher because you have risk, right . Um yes, okay. In 2010 the epa, when they proposed going to 60 parts per billion, said that that would cost 90 billion. Cost the economy 90 billion. In 2014, you reduced it to 40 billion. What happened over that fouryear period to make the cost go down . So, i think what youre comparin