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The securities industry experienced dramatic growth in the last two decades of the 20th century. The following models for the industry's revenue R and expenses or costs C (both in billions of dollars) were developed as functions of the years past 1980 with data from the U.S. Securities and Exchange Commission's 2000 Annual Report (2001) . and
. Use the models to predict the profit for the securities industry in 2009. Round your answer to two decimal places.
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