What is not the implication of emotional contagion in a service setting? 1) Emotions can be contagious between a service worker and a customer 2) Emotional contagion usually need to be kept from affecting consumers' evaluation on service quality 3) Emotional contagion occurs at a unconscious level as well as a conscious level 4) Service workers' emotion can be affected by customers' emotion 5) Emotional contagion can affect consumers' satisfaction