sql server - Sql Query for Commissions (Decision?) Table -

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SQL 2008

I have a commission table that looks like this: 

  com% | Proststartrange | Profitandrange 0.01 | 0.00 100.9 9 0.02 | 101 | 500.9 9 0.03 501 | 1000.99

and so on ...

Actually I want to create a query that gives useful command% based on the value. I would like to inline this and if possible in a possible defined function I would calculate a large set. 

  Select your apple, where there is a profit compared to your bag. Promotitartranz and yourtable .ProfitEndRange

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