not only involves thinking through what it is that the negotiator wants to achieve but also how she is going to achieve it.

B. Preparation

Explanation:

A. Assertiveness

B. Preparation

C. Self-confidence

D. End-states

Preparation not only involves thinking through what it is that the negotiator wants to achieve but also how she is going to achieve it.

It is a management principle which allows consumers get ready on how to purchase a product.

Preparation helps consumers to think about the effective way of negotiating price with the seller and ensuring a successful negotiation.

the correct answer is b.)