The market for cobalt has Total Benefit = 1 0 0 Q 2 Q 2 and Total Cost = 3 Q 2 . Production of cobalt causes a negative externality equal to 2 0 Q , so that each unit of cobalt production has a negative externality equal to 2 0 . 4 . If there is no corrective tax, what is the consumer and producer surplus? ( 2 points, no explanation required )