jerry has been working for over a year as restaurant server but is ready to move on to something else. however, after numerous interviews, he has received no job offers. last week, he got a great opportunity to interview for a job that he was really excited about, and he felt that the interview went really well. however, right before his shift at the restaurant, he receives a phone call informing him that he did not get the job. disappointed and dejected, jerry puts a smile on his face and enthusiasm in his voice to cheerfully serve the customers during his shift. this is an example of what type of behavior?