The Human Resource Director Has Been Directed to Set Up

The human resource director has been directed to set up a weekend executive retreat next month at some resort location not more than five hours from the company's home office. The director had great difficulty in finding such a location on such short notice, but he is very pleased with what has been negotiated. As he prepares to leave the resort office, the resort owner casually mentions if your group is not checked out by 9:00 a.m. Sunday, I'll have to charge them for a full day." The resort owner is using:

A) a low blow.
B) ambush negotiation.
C) a flanking maneuver.
D) blindsiding.
E) counterarguments.