Plastic bags have been blamed fo street litter, ocean pollution, and cabon emissons produced by manufacturing and shipping them. Last summer, Seattle approved a 20- cents charge on plastic shopping bags, wich was intented to reduce pollution by encouraging reusable bags Exaplain how Seattle's 20-cents charge will change the use of plastic bags and how the deadweight loss created by plastic will change? Explain why a complete ban on plastic bags would be inefficient?