Complete the following activities in groups or pairs as specified by your instructor.
Identify the stakeholders of the POS System.
Draw a UML use case context diagram for the POS System based on the system functions identified during the initial planning activity. Make sure to identify the actors of the system.
Write the main success scenario (basic flow) for the Process Sale use case. Be sure to identify the preconditions required before beginning the scenario and start the scenario with an Actor action.
Write an alternative scenario for the Process Sale use case in the event the customer asks the cashier to remove an item from the purchase.