Consider the following information describing a closed economy with no government and where aggregate output is demand determined.All dollar figures are in billions. 
TABLE 21-3
-Refer to Table 21-3.The correct expression for the aggregate expenditure function for this economy is
Definitions:
Reaction Formation
A defense mechanism where an individual unconsciously replaces an undesirable or anxiety-inducing emotion or desire with its exact opposite.
Latent Content
The underlying, hidden meaning of dreams or thoughts that represent unconscious desires or feelings.
Interpretation of Dreams
The process of uncovering the underlying meaning of dreams, often used in psychoanalytic theory to understand unconscious desires or conflicts.
Structural Model
A theoretical framework in psychology that divides the psyche into three distinct parts: the id, ego, and superego.
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