Final answer:
The software development methodology that should be adopted is Agile development, which allows for the incremental development and testing of the software with the ability to make changes as needed.
Step-by-step explanation:
In this scenario, the software development methodology that should be adopted is Agile development.
Agile development is a project management approach that emphasizes flexibility and adaptability. It allows for the incremental development and testing of the software, with the ability to make changes as needed based on evolving goals and requirements.
Unlike other methodologies like the Waterfall model or Predictive development, Agile development is well-suited for projects with flexible scopes and evolving goals.