Investigate

"America's Best- And Worst-Paying Jobs." Forbes. Forbes, 4 May 2009. Web. 21 
     Oct. 2011. <http://www.forbes.com/2009/05/04/ 
     america-best-paying-leadership-careers-jobs.html>.
"20 Highest Paying Jobs in the World." Share Ranks. ShareRanks, 2009. Web. 21
     Oct. 2011. <http://shareranks.com/
     2772,20-Highest-Paying-Jobs-in-the-World>.
"What are the highest paying jobs? ." Answers.com. Answers Corporation, 2009.
     Web. 21 Oct. 2011. <http://wiki.answers.com/Q/
     What_are_the_highest_paying_jobs#ixzz1bG8MXEJq>