Propose a system of restaurant management system and solve the following questions:

1. If you are are asked to choose a software development process model for the development of your system, which one would you prefer to choose. Justify the reason for your selection.        
2.                                                                                                      
3. Write function and non-functional requirements of your system. Moreover, suggest the requirement elicitation techniques you would prefer to use for eliciting requirements for your system.      
4.                                                        
5. Create UML design of your system by designing following diagrams:
   • Use case Diagram
   • Sequence Diagram
   • Activity Diagram
   • DFD Diagram