True or false:

1.Supervisors should set easy and simple objectives for employees so that they are able to achieve those objectives.

2.Rules are flexible and are open to interpretation.

3.In the management by objectives (MBO) system, the top management alone sets the objectives for each employee in the company.

4.Operational objectives become more specific at higher levels of the organization, and planning tends to focus on longer time spans.

5.A problem underlying significant variance is that the performance standard is too low or too high.

6.In all the three types of controlling methods, the controlling process begins only when employees work is complete.