uml - Use cases Extends and include - Stack Overflow

I have a not completed diagram of e-commerce order I am not sure of the include and extend relatationship Does this diagram is correct for the attached flow

uml - Use case can lead to another use case - Stack Overflow

uml - Use Case Diagram - extend and association to extended UC

1) Use Case Diagram, Sequential Diagram, Class Diagram For Book

uml - What's is the difference between include and extend in use

uml - Use case generalization versus extension - Stack Overflow

uml - How to properly draw Use case diagrams with access

UML, <> and <> from the same use case

uml - Use Case Diagram <> - Stack Overflow

uml - Extend and include in file system - Stack Overflow

uml - Extend in use case diagram - Stack Overflow

uml - Using base use case as include use case - Stack Overflow