Economics in the News 31. After you have studied Economics in the News on pp. 368-369, answer the following questions. a. What are the marginal private costs of and marginal private benefits from using carbon- free resources to generate electricity? b. What are the marginal social costs of and marginal social benefits from using carbon- free resources to generate electricity? c. How will a cap-and-trade scheme change the price that households pay for electricity? d. How will a cap-and-trade scheme change the efficiency of electricity production