private static void Deposit() { string number = ConsoleUtil.CaptureInputString("Enter account number"); Account account = _bank.FindAccount(number); if (account != null) { double amount = ConsoleUtil.CaptureInputDouble("Enter amount to deposit"); double newBalance = account.Deposit(amount); Console.WriteLine("Your new balance is {0}", newBalance); } else { Console.WriteLine("No account with number {0}", number); } }