As a Senior Software Engineer with XBank Limited, you won a contract to develop a documentation of the banking operation of ZBank. In your interaction with the senior management team of ZBank the following informal requirements were gathered about the banking system as tabulated below. Open a deposit account. Processing Inputs amount If there are no account numbers left, then response is "No more account numbers". If the amount offered is negative, then the response is "Overdrawn balances are not allowed in deposit accounts". Otherwise the account is opened in the input amount with an unused account number chosen by the system, and the response is "Account opened". The account number chosen is displayed. Open a current account Inputs amount 17.5Marks Outputs response, account number Processing If there are no account numbers left, then the response is "No more account number". Otherwise the account is opened in the input amount with unused account number chosen by the system and the response is "Account opened". The account number chosen is displayed. 17.5Marks Outputs response, account number