Which of the following statements holds true for the concept of egoism?

Question 10 options:

It refers to the ethical belief that an act is recommendable if it brings the greatest good to the greatest number, if it increases net happiness-or decreases net unhappiness-when everyone is taken into account.

It refers to the ethical belief that an action is morally right if the action's consequences increase net happiness (or decrease net unhappiness) when everything is taken into account except the actor's increased or diminished happiness.

It refers to the belief that an action is morally right if the action's consequences are more beneficial than unfavorable for the person who acts.

It refers to the ethical belief that derives the rightness or wrongness of one's conduct from the character of the behavior itself rather than the outcomes of the conduct.

It refers to the ethical belief that states that moral correctness evolves, similarly to scientific knowledge, socially over the course of many lifetimes.