The predominant constraint on this project is cost, so cost control is the best answer. 1 is incorrect. While time is important, cost is the defined constraint. 3 is incorrect. Quality is always important, but quality is affected by the project’s cost constraint. 4 is also incorrect. Scope control is important to a project, but cost control is of higher importance based on the information that the question provides. While changes to the scope can affect cost, unacceptable work within the scope can also affect cost.