What are the difference between Controllable cost and Uncontrollable cost?

The Difference Between Controllable Cost and Uncontrollable Cost. (Cost Accounting)

Controllable costs are those costs which can be regulated or controlled by specified member of an undertaking. Most of the variable costs are controllable costs. For example, direct material, direct labor and direct expenses are controlled by the lower level of management.

Where as uncontrollable cost can not be controlled by the specified member of the undertaking. Most of the fixed cost are uncontrollable cost. For example, factory rent manager's salary, Depreciation etc.