Requirements analysis should be the best thing to compare against the business case when determining whether a project in the design phase will meet organizational objectives, because it defines the functional and non-functional specifications of the project deliverables that should satisfy the business needs and expectations. Requirements analysis can help evaluate whether the project design is aligned with the business case and whether it can achieve the desired outcomes and benefits. Implementation plan, project budget provisions, and project plan are also important aspects of a project in the design phase, but they are not as relevant asrequirements analysisfor comparing against the business case. References: CISA Review Manual (Digital Version), Chapter 4, Section 4.2.1