Q2: As a system developer, you are requested to develop an Information System (IS) for a bank. So, you know that a customer can use the bank IS to log-in, check balance, transfer fund, and make payment. You also know that log-in to a bank account requires verification of usernames and passwords. Therefore, if a customer enters a wrong password, the system will show an error message. As a system analyst, the IS allows your customer transfer money. Having said this, the system must verify your account balance. Additionally, some customers need to have two options for payment, checking account or saving account. a) Draw a use case diagram and use case scenario to detail the above relationship between a CUSTOMER and a BANK. Q3: As a system analyst, consider building up IS for managing appointments of patients. For example, a patient supposes to register his appointment at the hospital front disk. The front disk, then, will send the registered appointment to a doctor's clinic. The doctor's clinic expects to confirms the appointment. Similarly, the patient will receive appointment confirmation. Draw a context level data flow diagram to define the scope of the system