A password consists of 8 to 12 characters.

• The password CANonlyinclude all lower case letters, all upper case letters, all digits, andonly5 special characters (!, #,$,%,&). Therefore, there are 67 available characters (26 uppercase, 26 lowercase, 10 digits, and 5 special characters.)
• The password MUST have at least one uppercase letter, at least one digit, and at least one of the special characters.

How many passwords are possible if

1. Repetition is allowed,
2. Repetition is not allowed?