A: You have been asked to design a interface for library. Universal design means designing for diversity, including users with special needs - disabled users, elderly users and children. For disabled users groups, suggest how a developer can develop a system to better serve them. B: Help or User Support is crucial because human made products tend to have problems and human have various ability or skill. Assume that you are going to develop a web application system. The system will help the users to manage some process in management. Identify and describe FIVE (5) most suitable user support approach to be implemented