How much do Broadway leads make?

A friend told me that their is a max scale (do to union rules) for pay on Broadway. Is this true and if so how much does the star of a hot Broadway Show make?

Also, what about supporting players and chorus members?

This article cites $1354/week as a minimum salary for a Broadway performer, and speculates Nathan Lane and Matthew Broderick (stars of the highly popular The Producers) might pull down as much as $100,000/week if they agree to continue performing. Apparantly, the salaries of the top players aren’t freely discussed by anyone in the business.