Assume there are three firms in an industry as depicted in the graphs below. Based on this information construct the industry supply curve. 
Definitions:
Statistical Procedures
Statistical procedures are mathematical methods used to collect, analyze, interpret, and present data in a meaningful way for decision-making.
WEIRD Societies
An acronym for Western, Educated, Industrialized, Rich, and Democratic societies, used to critique the generalizability of psychological research.
Psychology Research
The scientific study of the mind and behavior, including understanding mental functions, brain functions, and behaviors through various research methodologies.
Overrepresented
Having a disproportionately large presence or quantity in a particular context or area.
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