Console Output

Question: What would be the output of the following block of code: 

     DECLARE @TEMP varchar(100)
     SET @TEMP = NULL

            IF @TEMP = ''
                PRINT('A')
            IF LTRIM(RTRIM(@TEMP )) = ''
                PRINT('B')
            IF @TEMP IS NULL
                PRINT('C')
            IF @TEMP = NULL
                PRINT('D')
            IF ISNULL(@TEMP,'') = ''
                PRINT('E')
        

Answer:
The code will not compile and will generate an errors. Error in first line.