Ajustification defense strategy is sometimes difficult to carry out because it:

A justification defense strategy is sometimes difficult to carry out because it varies in wide interpretations. The right to self-defense granted by law to the private citizen is strictly limited. Use of force that goes beyond what is necessary to dispel the immediate threat of violence is known as excessive self-defense. 

answer; i believe the correct answer is (180)

answer///supply is elastic, and demand is inelastic;