Robin, a police sergeant, believes that bribing is illegal. he does not accept bribes irrespective of the amount of money. robin displays a. moral relativism b. rule utilitarianism c. ethical relativism d. act utilitarianism

I believe robin displays: rule utilitarianism
rule utilitarianism refers to a form of principle that viewed actions could only be considered as right if those actions conform to certain rules that would bring the greater good for the group as a collective. People who held this view will based their moral compass solely on the effect of their actions, not the action itself.