Topic Online Retail Application { A customer can register to purchase an item. The customer will provide bank account number and bank name (can have multiple account number). After registration each customer will have a unique customerid, userid and password. Customer can purchase one or more item in different quantities. The items can of different classes based upon their prices. Based on the quantity, price of the item and discount (if any) on the purchased items, the bill will be generated. A bank account is required to settle the bill. The items can be ordered to one or more suppliers. Specify main users and their activities in your new proposed system. }

*** QUESTION :

Draw a sequence diagram. Describe the step-by-step process to create a sequence diagram. must follow: - Identify a set of objects that will participate in the general collaboration (or use case scenario) - Consider the first point of the scenario (or if you get it from the first point of the flow of event of a use case) - Consider what the system needs to be done to respond to an actor when the actor sends the message to the system - Repeat each of the points of the scenario (or flow of event) and until you complete all the points in the scenario ***