Table 3-5
Assume that Aruba and Iceland can switch between producing coolers and producing radios at a constant rate. 
-Refer to Table 3-5. Which of the following combinations of coolers and radios could Aruba produce in one 40-hour week?
Definitions:
Reality Principle
A psychoanalytic concept that represents the ability of the mind to assess the external world and act upon it accordingly, as opposed to acting on the pleasure principle.
Freud
An Austrian neurologist and the founder of psychoanalysis, known for his theories on the unconscious mind, developmental stages, and defense mechanisms.
Ego
Refers to the part of the mind that mediates between the conscious and the unconscious and is responsible for reality testing and a sense of personal identity.
Reality Principle
The concept in psychoanalytic theory that the mind functions to mediate between the demanding needs of the id and the external real world.
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