Solved by a verified expert :Congress is interested in regulating emissions of a hazardous pollutant. Economists at the EPA have estimated the marginal costs and benefits of aggregate emission reduc- tionsMB = 25 ? 1Q 4MC = 5 + Q(a) What is the efficient level of pollution reduction? What tax would achieve this level of reductions Q? What are the total benefits and total costs to society at the efficient point?