In this assignment, you will extend your design documentation by drawing a sequence diagram for each of your current actor$($s$)$ or a minimum of four use cases. You are also required to select three use cases and draw an activity diagram for each of them. Therefore, look at the attached domain model$/$class diagram and the use case diagram before drawing the sequence and activity diagrams. Use Case Diagram: Domain Model:

$1.$ Draw a sequence diagram for each actor or a minimum of four use cases.

$2.$ Draw three activity diagrams for three selected use cases from the previous use case diagram.