At a Second Negotiation Session,the Unit Manager and Staff Nurse

At a second negotiation session,the unit manager and staff nurse are unable to reach a resolution.What is the appropriate next step?

A) Arrange another meeting in a week's time so as to allow a cooling-off period.
B) Elevate the next negation session to the next manager, one level above.
C) Insist that participants continue to talk until a resolution has been reached.
D) Back the unit manager's actions and end the dispute.