The following segments have been identified for an enterprise,along with each segments sales.No segment qualifies on any other criterion for determining reportable segments except possibly for sales.Sales for each segment,and the total for the enterprise follow: 
What is the minimum number of reportable segments for this firm?
Definitions:
Social Learning Theory
A theory that suggests people learn new behaviors through observational learning, imitating others, and modeling what they observe in social contexts.
Object Relations Theory
A psychoanalytic theory focusing on relationships with others, asserting that the ego and personality are shaped by early family ties and dynamics.
Social Learning Theory
Social learning theory contends that people learn new behaviors and attitudes through observation, imitation, and modeling of others within a social context.
Psychoanalytic Theory
A set of theories originating with Sigmund Freud that emphasizes unconscious psychological processes and contends that childhood experiences significantly influence adult personality and behavior.
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