Many Automobile Dealerships Employ a Non-Negotiable or No-Haggle Price Strategy

Many automobile dealerships employ a non-negotiable or no-haggle price strategy to sell their cars. A customer who wants to buy a new or used car would pay the posted price. These dealers probably adopted this pricing policy because

A) the industry was discussing the abandonment of self-regulation practices.
B) women have an intense dislike of price negotiation, yet still want to buy a car.
C) many recent immigrants into the United States are not accustomed to negotiation.
D) women distrust men in general and car salesmen in particular.
E) a sluggish economy guarantees that negotiations would produce negative profit per vehicle