Under the system, known as Impact Plus, teachers rated "highly effective" earn bonuses ranging from $2,400 to $25,000.

The entire production team can now receive monthly bonuses ranging from 1 percent to 15 percent of their pay.

(That's an average of $54,000 a person, with bonuses ranging from $10 million or more for the biggest winners to a few thousand for the lowliest clerks.)

Esrey earned a seven-figure salary, with annual bonuses ranging from $220,000 to $1.38 million.

However, they also included bonuses ranging from 50 cents to $1.75, depending on the companies' profitability, for every hour worked in the year.

Dr. Bolden gets $202,000 a year plus bonuses ranging from 4 to 16 percent if certain goals are met; she also gets a $7,500 annuity.

About half of those managers said they were eligible for bonuses ranging from 6 percent to 10 percent of their salaries.

Bidding and making a small slam (12 tricks) or grand slam (13 tricks) yields high bonuses ranging from 500 to 1500 points.

From spring 2007 through the spring of 2009, new recruits could earn money through sign on bonuses ranging from $5,000 to $10,000.

More recently, the Colorado Rockies signed eight Dominican teen-agers for bonuses ranging from $4,000 to $20,000.