Andres is beginning a project that is similar to ones he has completed before. He understands all of the project requirements very early in the project life cycle, so he and his team can decide on the entire project scope upfront. He has been given a specific time frame and budget for the project, and he knows that the project's deliverables can't be used until they are completely finished. Which project management methodology should Andres use for his project? a an adaptive methodology b a Waterfall methodology c an Agile methodology d a program-based methodology