Which of the following is NOT a purpose for using a subcontractor?

The rationale for identifying increased operational cost as not a purpose for using a subcontractor lies in the primary motivations that typically drive contractors to engage subcontractors. When a contractor brings in subcontractors, they usually aim to enhance efficiency, reduce overall costs, and leverage specialized expertise.

If a contractor is employing a subcontractor, it is usually to achieve more streamlined operations and benefit from the specific skills that the subcontractor brings to the project. This approach is common in construction and other industries, where tasks may require specialized knowledge that the primary contractor may not possess.

In contrast, using subcontractors does not create increased operational costs; rather, it enables contractors to manage their resources more effectively and focus on their core competencies. Therefore, engaging subcontractors is typically associated with cost savings, reduced liability, and accessing specialized skills, making increased operational cost an incorrect choice.