Tara and Kevin both work in the manufacturing line. Ian, the line manager, wants to terminate the employment relationship with Tara because her performance is at a very low level and her attitude toward her job is very pessimistic and affecting other workers in a negative manner. However, Tara is a member of the union, and terminating the employment contract with her does not seem easy. On the other hand, Kevin is a high performer with a great attitude. Because he is so good at his job, many employees seek advice from Kevin for job-related problems that they encounter. Today, Tara has notified Ian that she will be leaving the company in about a month. The reason for her decision is that the pay level of the company is too low and she found a company that pays more for a similar job. Tara's turnover case can be viewed as a(n) _________________ turnover

a) dysfunctional - uncontrollable (unavoidable) b) functional - uncontrollable (unavoidable) c) functional - controllable (avoidable) d) dysfunctional - controllable (avoidable)