Closing prices for crude oil, gold and other commodities, and foreign exchange levels. : Benchmark U.S. crude oil for December delivery fell 14 cents to $83.91 a barrel Tuesday. Brent crude for January delivery rose 1 cent to $84.72 per barrel. Wholesale gasoline for December delivery rose 4 cents to $2.45 a gallon. December heating rose 1 cent to $2.51 a gallon. December natural gas rose 35 cents to $5.54 per 1,000 cubic feet. Gold for December delivery fell $6.40 to $1,789.40 an ounce.