HELP ASAP PLSSSSS
Ernest is an opinion writer for Philadelphia Magazine. He titled a recent article, "The Moral Case for Repealing Philadelphia's Soda Tax." Based on that title, what is the central idea of the article?

Philadelphians like to drink soda and don't want to pay tax.
Philadelphians think the soda tax is morally correct.
Philadelphians think the soda tax will be good for the city.
Philadelphians want to repeal the soda tax because it's immoral.