Oil Contracts: Do the math.

Here is the information about crude oil contracts: (All reflect settle prices per barrel for Sept 30. 2005.)
New York Mercantile Exchange (NYMEX)
Light Crude Avg. $66.47
CLV5 = $66.23 (October 2005 Light Crude)
CLX5 = $66.79 (November 2005 Light Crude)
CLZ5 = $66.29 (December 2005 Light Crude)
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QCLV5 = $66.23 (October 2005 Light Crude)
QCLX5 = $66.79 (November 2005 Light Crude)
QCLZ5 = $66.29 (December 2005 Light Crude)
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London International Financial Futures Exchange (LIFFE)
Brent Sweet Crude Avg. $63.81
SC = $63.14 (October 2005 Sweet Crude)
SC = $63.78 (November 2005 Sweet Crude)
SC = $64.51 (December 2005 Sweet Crude)
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QSC = $63.14 (October 2005 Sweet Crude)
QSC = $63.78 (November 2005 Sweet Crude)
QSC = $64.15 (December 2005 Sweet Crude)
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Here is the information about unleaded gas contracts: (All reflect settle prices per gallon for Sept 30. 2005.)
New York Mercantile Exchange (NYMEX)
Unleaded Gas Avg. $2.22
HUX5 = $2.51 (October 2005 Unleaded Gas)
HUV5 = $2.14 (November 2005 Unleaded Gas)
HUZ5 = $2.02 (December 2005 Unleaded Gas)
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Unleaded Gas Avg. $2.13
QHUX5 = $2.25 (October 2005 Unleaded Gas)
QHUV5 = $2.14 November 2005 Unleaded Gas)
QHUZ5 = $2.02 (December 2005 Unleaded Gas)