Table 2.11 
Table 2.11 shows the output per day of two gardeners, George and Jack.They can either devote their time to mowing lawns or cultivating gardens.
-Refer to Table 2.11.What is Jack's opportunity cost of cultivating a garden?
Definitions:
Sensory Input
The stimulation that is received by the sensory receptors, leading to sensations and perceptions, originating from the external or internal environment.
Psychophysicist
A scientist who studies psychophysics, a discipline focusing on the relationship between physical stimuli and the sensory responses these stimuli evoke in the human mind.
Difference Threshold
The minimal difference in intensity required between two sources of energy so that they will be perceived as being different.
Ernst Weber
A pioneering psychologist known for his work in the area of the sense of touch and the Weber-Fechner law regarding the perception of changes in a stimulus.
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