Use the figure below to answer the following questions. 
Figure 5.2.1
-Consider Figure 5.2.1.If the price is $4,what is the consumer surplus from the third unit of the good?
Definitions:
Male Urinary Incontinence
The inability in men to control urine release due to various causes like prostate issues or nerve damage.
Urinary Catheter
A tube inserted into the bladder through the urethra to drain urine from the body in individuals who cannot urinate independently.
Lower Abdominal Wall
The lower portion of the torso's front, bounded by the pelvis and the rib cage, crucial for containing and protecting abdominal organs.
Catheter-Associated
Relating to complications or infections that occur from the use of catheters, particularly those inserted into the urinary tract.
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