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 - Can a use case be both an extension and an inclusion

Complex UML use case diagram - Stack Overflow

uml - Can an extended use case have a relationship with another

uml - Ideal example of a Use Case diagram - Stack Overflow

Uml uses case diagram suggestion - Stack Overflow

uml - Extend in use case diagram - Stack Overflow

dependencies - Use Case Diagram - Is this Correct? - Stack Overflow

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

uml - What's the difference between extension use case and parent