Rita Fuller and Robert Morgan are contending parties to a lawsuit involving the division of their inheritance from their grandmother. They wish to settle their case out of court. Rita and Robert engage in discussions and bargaining with the presence of their attorneys and finally conclude that Robert keeps 60 percent of the inheritance while Rita gets the remainder. In this scenario, the ________ method of alternative dispute resolution is used. A. negotiation B. arbitration C. mini-trial D. mediation