One Thing That Distinguishes Normative Principles from Positive Principles Is

One thing that distinguishes normative principles from positive principles is that:

A) normative principles are pessimistic and positive principles are optimistic.
B) normative principles reflect the social norms of the community, and positive principles reflect universal truths.
C) normative principles tell us how people should make economic decisions, and positive principles tell us how people actually do make decisions.
D) normative principles tell us how people actually make economic decisions, and positive principles tell us how people should make decisions.