The buying and selling rates of USD, Euro and British Pound in Istanbul and Ankara at 9:30 a.m. on Tuesday are as follows (in TL) ISTANBUL     Buying     Selling USD     2.0010     2.0050 Euro     2.6730     2.6790 British Pound     3.1050      3.1300           ANKARA            USD     1.9930     2.0050 Euro     2.6620     2.6800 British Pound     3.0950     3.1450