The figure given below shows the production possibilities frontier for education and food. In The opportunity cost of moving from point c to point b is _____. 
Definitions:
Amphetamines
A class of stimulant drugs used to enhance wakefulness and focus, especially in the treatment of ADHD and narcolepsy, but also used illicitly.
Organic Compounds
Molecules composed primarily of carbon and hydrogen, often containing oxygen, nitrogen, and other elements.
Nerve Cells
Specialized cells within the nervous system that transmit information to other nerve cells, muscles, or gland cells.
Human Nervous System
A complex network of nerves and cells that convey signals between different parts of the body, controlling both voluntary and involuntary actions.
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