A project manager was called into the office of the Chief Information Officer (CIO) and informed that the resource budget for the company has been reduced by 10%. The CIO expects that the project must

While project scope is often the first variable considered for adjustment when constraints change, the question implies an expectation of project completion within the fixed timeline, making quality the most probable impact if budget is cut and scope must be largely preserved.

This scenario illustrates the project management constraint triangle (or triple constraint) of scope, time, and cost/quality. When the budget (cost/resources) is reduced and the timeline (time) remains fixed, and there's an expectation that the project will be completed (implying scope is also maintained), the project manager will most likely need to compromise on the quality of the deliverables to meet the remaining constraints.

The Work Breakdown Structure (WBS) decomposes the project's scope into manageable components; while changes to scope would impact the WBS, the primary direct impact of a budget cut with fixed time and implied fixed scope is on quality.

The Statement of Work (SOW) defines the project's requirements and deliverables. Similar to scope, while it might be revised under certain conditions, the direct impact of a budget cut when time is fixed and scope is expected is primarily on quality.