In customer service contexts, how does emotional contagion operate? A. Employees' emotions and moods only influence customers' emotions and moods. B. Customer emotions and moods influence employees' moods, and employees' emotions and moods influence customers' emotions and moods. C. Customer emotions and moods do not affect others' emotions and moods. D. Employees' emotions and moods do not affect others' emotions and moods. E. Customer emotions and moods only influence employees' emotions and moods