What is included in cost estimates associated with a project installation?

The choice that encompasses "all costs associated with installation" is correct because cost estimates for a project installation must consider a comprehensive range of expenses to provide an accurate financial overview. This includes not just the direct costs like labor hours and materials but also indirect costs such as overhead, permits, equipment rental, and potential contingency funds. By taking into account all categories of costs, project managers ensure they are fully prepared for the budgetary implications of the project, allowing for effective planning and execution.

When projects are scoped or estimated, it's critical to look beyond the obvious expenses. Labor and materials are integral components, but they do not capture the complete financial picture. Overhead costs and additional factors can significantly affect the overall project cost. This holistic understanding helps in controlling budget variances throughout the project lifecycle, thereby better facilitating successful project delivery.