When Developing a Negotiation Strategy,the Negotiator Should Assess the Positions

When developing a negotiation strategy,the negotiator should assess the positions of strength of both (all) parties to:

A) decide if negotiation makes sense.
B) establish negotiation points.
C) avoid setting unrealistic expectations.
D) establish negotiation points and avoid setting unrealistic expectations.
E) decide if negotiation makes sense,establish negotiation points and avoid setting unrealistic expectations.