The following set of main points for a persuasive speech on a question of policy follows which pattern of organization? I. A carbon tax is a better solution to the problem of industrial pollution than an emissions trading system because it provides more incentives for industries to switch to nonpolluting fuels. II. A carbon tax is a better solution to the problem of industrial pollution than an emissions trading system because it provides revenue that can be returned to consumers. III. A carbon tax is a better solution to the problem of industrial pollution than an emissions trading system because it provides more health benefits. problem-cause-solution need-plan-practicality comparative advantages Monroe’s motivated sequence