QUESTION 18 True or False? Jeff had to delay his return flight because his meeting with his international supplier has been rescheduled three times. Jeff is most likely dealing with a supplier from a polychronic culture. O True O False QUESTION 19 True or False? In the book's discussion of aggregation of loss, the authors said that a negotiator should share bad news, such as demanding concessions, all at once. O True O False QUESTION 20 True or False? Achievement is on the self-actualization level of the Hierarchy of Needs Pyramid. O True O False