Answer:
cognitive dissonance
Step-by-step explanation:
Cognitive dissonance occurs when an individual pursues more than one contradictory value, idea, or belief. This leads to stress as the person is form between multiple choices.
For example a HR manager is responsible for staff welfare and also owes allegiance to the management. If management is carrying out a policy that has adverse effect on staff the HRanager will be torn between conflicting beliefs.
In this case although Maria purchased the coat at higher price she experiences tension because she would have purchased it at lower price somewhere else.