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When Anna Was Studying at University, She Had a Monthly

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When Anna was studying at university, she had a monthly income of $900 and bought 4 items of second-hand clothing.Now, she is working full-time with a monthly income of $3000.She now buys 20 items of second-hand clothing a month.Compute Anna's income elasticity of demand using the midpoint method.What type of goods are second-hand clothes for Anna?


Definitions:

Tay-Sachs Disease

A genetic disorder that destroys nerve cells in the brain and spinal cord.

Developmental Disabilities

A diverse group of conditions due to an impairment in physical, learning, language, or behavior areas that begin during the developmental period.

Behaviour Therapy

A type of psychotherapy that focuses on changing undesirable behaviors through conditioning and reinforcement.

Autism Spectrum Disorder

A developmental disorder that affects communication and behavior, characterized by difficulties in social interaction and communication and by restricted or repetitive patterns of thought and behavior.

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