SUN &lt;SUN> RAISES HEATING OIL BARGE PRICE

  Sun Co's Sun Refining and Marketing Co
  subsidiary said it raised the price it charges contract barge
  customers for heating oil in New York harbor by 0.50 cent a
  gallon, effective today.
      The increase brings the contract barge price to 50.50 cts a
  gallon, Sun said.
  

