Answer:
A... An economist is an expert who studies the relationship between a society's resources and its production or output.
B... A psychologist is someone who studies mental processes and human behaviour by observing, interpreting, and recording how people relate to one another and the environment.
C....person involved in the business sector – in particular someone undertaking activities (commercial or industrial) for the purpose of generating cash flow, sales, and revenue by utilizing a combination of human, financial, intellectual and physical capital
D... Capitalism is the social system based upon private ownership of the means of production which entails a completely uncontrolled and unregulated economy where all land is privately owned.
Explanation:
So the right is
A
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