The following diagram shows a budget constraint for a particular consumer. 
If the price of X is $20, then what is the price of Y?
Definitions:
Executive Control Processes
Executive control processes involve the management of cognitive processes, including working memory, reasoning, task flexibility, and problem solving, as well as planning and execution.
Correlation Coefficient
A numerical indicator that shows the level at which two or more variables move in unison.
Working Memory Capacity
Working Memory Capacity denotes the amount of information that can be temporarily held and manipulated in the mind for cognitive tasks such as problem-solving, reasoning, and comprehension.
Executive Control Processes
Cognitive functions that manage and regulate the coordination of thoughts and behaviors, including planning and decision making.
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