-The Table Above Shows Information About the Costs and Benefits

question 7

Multiple Choice

-The table above shows information about the costs and benefits of a steel smelter that pollutes the air of a city. If the marginal external cost is $10 per tonne at every quantity of steel produced, the equilibrium quantity when the steel industry is unregulated is _______ tonnes per week.

• A) 25
• B) 15
• C) 5
• D) 20