BC Candy sources its cocoa from a supplier with a transparent supply chain, a strict code of ethics, and a strong focus on human rights. Though the supplier's product is expensive, ABC Candy feels that working with the supplier offers many benefits to the impoverished community in which it operates. When a new supplier with lower ethics standards approaches ABC Candy and offers to supply the same product for a lower price, ABC Candy declines because it fears the local population could be harmed due to poor working conditions, child labor, or other human rights issues. In this scenario, ABC Candy operates according to the $\_\_\_\_\_\_\_.$

a$.$ equality principle

b$.$ institutional theory

c$.$ veil of ignorance

d$.$ difference principle