Refer to the information provided in Figure 15.1 below to answer the question(s) that follow. Below are cost curves for Dom's Barber Shop, a monopolistically competitive firm. 
Figure 15.1
-Refer to Figure 15.1. The ________ number of haircuts for Dom's Barber Shop is 20.
Definitions:
Contributory Negligence
A legal principle where the plaintiff's own negligence partially causes their injury, potentially reducing or eliminating their compensation.
Voluntarily Assumed the Risk
A legal principle where an individual knowingly and willingly takes on a risk, thereby limiting their right to sue for any resulting injuries.
Defective Brakes
A fault or flaw in a vehicle's brake system that can lead to failure in stopping the vehicle and increase the risk of accidents.
Recover
The act of getting something back that was lost or taken away.
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