Then, later in the day, he decides that it would bring him more total well-being if he worked in a kitchen that feeds the homeless instead of taking you to the doctor. An advantage of act utilitarianism is that there is only one moral principle, so it can't happen with another rule. Another version of utilitarianism is rule utilitarianism. “Rule utilitarianism says we should obey correct moral principles” (90). “Rule utilitarianism applies to types of actions” (83). There is a difference between act utilitarianism and rule utilitarianism. “Action utilitarianism requires us to apply only one moral principle or rule: maximizing total well-being, and as we have seen, critics find this problematic” (90). For example, “suppose Sabrina is thinking of killing her uncle. He is the most hated man in town because he is a miser who often sues people for trivial things. Although he wants to continue living, he is old and sickly, suffering from painful illnesses and depression. She is convinced that he would have been better off dead. She has a drug that will make it look like she died of a heart attack, so there's no chance of her getting caught. Her fortune will be left to her and she will use the money for various charities