Official Currency of OPEC is__________?

A. Euro
B. Dollar
C. Dinar
D. Riyal

The Organization of the Petroleum Exporting Countries (OPEC) is a group consisting of 13 of the world’s major oil-exporting nations. OPEC was founded in 1960 to coordinate the petroleum policies of its members and to provide member states with technical and economic aid. Currency of OPEC is Indexed as USD per barrel (US$/bbl).