Pam works at an organization that has a number of international offices where she and her fellow team members service select accounts. Because of this, Pam and the rest of her team have differing hours which are available to them. Although Pam and the rest of the team have core hours from 11:00 a.m. to 3:00 p.m. that they must be in the office, Pam was able to choose the rest of her 4 hours each day that worked best for her. This is an example of ________________.