Use the following to answer question: 
-(Figure: Consumer Surplus I) Look at the figure Consumer Surplus I.If the price falls from P2 to P1,consumer surplus increases by the area:
Definitions:
Competent
Having the necessary ability, knowledge, or skill to do something successfully or efficiently.
Outgroup Homogeneity Effect
The perception that members of an outgroup are more similar to each other than they actually are, often leading to stereotyping.
Similar
Having a resemblance or likeness, often referring to characteristics or qualities that are common between entities.
Ultimate Attribution Error
A bias in which negative behaviors by out-group members are attributed to their character, while similar actions by in-group members are attributed to situational factors.
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