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FAIR VALUE MEASUREMENTS
3 Months Ended
Jan. 31, 2012
FAIR VALUE MEASUREMENTS  
FAIR VALUE MEASUREMENTS

4.              FAIR VALUE MEASUREMENTS

 

The following table provides information on those assets measured at fair value on a recurring basis.

 

 

 

Fair Value as of

 

Fair Value Measurement Using

 

 

 

January 31, 2012

 

Level 1

 

Level 2

 

Level 3

 

 

 

 

 

 

 

 

 

 

 

Commodity derivative instruments

 

$

(269,185

)

$

(269,185

)

$

—

 

$

—

 

 

The fair value of derivative instruments is based on quoted market prices in active markets.