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

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 guaranteed that negotiations would produce a less than adequate return on investment.