Which of the following is an example of a normative economic…

Which of the following is an example of a normative economic statement? I. Taxing carbon emissions is a good policy. II. The price of lawn furniture tends to be higher in April than in March. III. Peanut butter and jelly are often consumed as complements, but in some parts of the world they aren’t. IV. Taxing carbon emissions is a good policy because it will discourage people from burning fossil fuels that damage the environment.