Answer the question on the basis of the following two schedules, which show the amounts of additional satisfaction (marginal utility) that a consumer would get from successive quantities of products J and K. 
What level of total utility is realized from the equilibrium combination of J and K, if the consumer has a money income of $52 and the prices of J and K are $8 and $4, respectively?
Definitions:
Concrete Operations
A stage in Piaget's theory of cognitive development where children gain the ability to think logically about concrete events.
Jean Piaget
A Swiss psychologist known for his pioneering work in child development and cognitive theory.
Preoperational Children
A stage in Piaget's theory of cognitive development, typically ages 2 to 7, characterized by symbolic thinking and egocentrism but a lack of logical operations.
Abstract Principles
Fundamental concepts that are not tied to specific instances or examples, often guiding thinking and behavior in a broad range of situations.
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