The oil price of the Organization of the Petroleum Exporting Countries (OPEC) rose to 90.73 dollars at the end of last week, the group said Monday.
OPEC's basket price added 0.57 dollars per barrel (159 litres) on Friday, DPA reported.
The cartel's weekly average climbed to 89.81 dollars until Friday, up 1.42 dollars from the previous week.
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