Answer: Cheerfulness, positive attitude
Explanation:
Customer service is part of the backbone of business. How customers are treated would determine how long the business would last, when customers are not treated well, there won't be a growth regarding the business, employees would need this in mind considering the various kinds of clients they would come across and it's very obvious they won't be the same, a lot of positive mindedness and cheerfulness is required, this is what is required a lot for Susan's job
Any law that uplifts human personality is just. Any law that degrades any human personality is is unjust. Segregation is politically, economically, and sociologically unsound, but it is morally wrong