The table below depicts the choices George and Sarah face when deciding whether to cook, wait on tables, or both. 
Definitions:
Hot Days
Periods characterized by higher than average temperatures, often leading to discomfort and the need for cooling measures.
Benthic Zone
The ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and sub-surface layers.
Lake
Body of fresh water, often classified by nutrient status, such as oligotrophic (nutrient-poor) or eutrophic (nutrient-rich).
Stream
A small, natural body of flowing fresh water, leading from one to another or into a larger body of water.
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