Answer:
C. There has been an increase in the rate of inflation
Step-by-step explanation:
We should make the difference between positive statements and normative statements.
positive economics tries to understand behavior without judgments
while normaives, are the evalation on the positive economics. It prescribes a course of action like "higher education should be free"
In this case, only statment C is a positive statement as it does not inccurs in any sugestions. It only describes a situation without judgments on the oucome.