According to the Ethical System of Utilitarianism, Which of the Following

According to the ethical system of utilitarianism, which of the following is true?

A) Some values must always be upheld, regardless of the consequences.
B) Societal rules or customs should be used to mold values.
C) Society will be enhanced if we all take care of ourselves and do not harm others.
D) Individuals might choose between conflicting values by tallying the final results of the various acts.
E) Seeking the greatest good for the greatest number of people should be the overriding concern of decision makers.