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Project Management Professional · PMI
Select one answer.
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Provides realistic high-level cost range without requiring detailed scope(Agile) -> Review actual completion costs of similar past projects (OPAs).
Option C is correct because, at the business case stage of an agile project, a high-level cost estimate is needed, and the most reliable way to obtain it is by reviewing the actual completion costs of similar past projects. This supports analogous estimating, which is appropriate early in the project lifecycle.
Even though the new project will be delivered using an agile framework, the business case still requires an upfront cost estimate. At this early stage, before requirements are detailed, the project manager should rely on high-level, analogous estimating, which uses: • Costs of previous, similar projects • Known historical data This is the most appropriate method for early business-case costing.