Some managers maintain that employee rating and appraisal systems must include the evaluation of subjective employee characteristics such as personality, attitude, appearance, demeanor, friendliness, and social behavior. Other managers maintain that these characteristics most often do not reflect a worker ’ s ability to successfully perform a job. In addition, they point out that an overreliance on subjective factors can undermine employee morale and lead to perceptions of unfairness. What role do you believe subjective factors should play in evaluating hospitality employees? Explain and defend your answer.