Refer to the information provided in Figure 23.1 below to answer the question(s) that follow. 
Figure 23.1
-Refer to Figure 23.1. At income level ________, this household's saving is greater than zero and this household's consumption is greater than zero.
Definitions:
Breathing Process
The physiological process that involves the intake of oxygen and the expulsion of carbon dioxide from the respiratory system.
Circulatory System
The body's system responsible for the movement of blood and lymph, carrying nutrients and oxygen to cells while removing waste products.
Oxygen
A chemical element essential for life, commonly found in the Earth's atmosphere, and a key component of water and organic compounds.
Upper Respiratory System
The part of the respiratory system that includes the nose, nasal passages, pharynx, and larynx, involved in breathing and speech.
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