text: -- Solution to [The Blunder](https://www.hackerrank.com/challenges/the-blunder)
  
  SELECT
      CONVERT(
          INT, 
          CEILING(
              AVG( CONVERT( FLOAT, Salary)) - 
              AVG( CONVERT( FLOAT, REPLACE(Salary, '0', '')))
              )
          )
  FROM
      Employees
  ;
  
  