Americans Must Gauge the Quality of a Business Relationship in Negotiations.According

Americans must gauge the quality of a business relationship in negotiations.According to the text,which of the following is an important signal of progress in that business relationship?

A) requests for price for potential greater level of business.
B) invitation to dinner whenever the negotiations are concluded.
C) frequent side conversations among associates in their native language.
D) increased bargaining and use of lower-level,informal,and other channels of communication.
E) clock watching and leaving meeting to accept cellphone calls.