In Multiple-Issue Negotiations Where Monetary Compensation Is Available

In multiple-issue negotiations where monetary compensation is available:

A) there is less opportunity for mutual gain than when a single issue is at stake.
B) a new issue should be adopted only if the benefit to one side exceeds the cost to the other.
C) a new issue should be adopted only if both sides directly benefit.
D) a new issue should be adopted if it increases the benefit to any one of the parties, even at the expense of the other.
E) efficiency cannot be attained by merely increasing the total value the parties derive from the negotiation.