Islamabad: The dollar saw rise 80 paisas on Monday, jumping to Rs143 in the open market after rumors engulfed that International Monetary Fund (IMF) has been dictating the terms to make the exchange flexible and should be driven by market forces. The dollar at the interbank market increased by 11 paisa to close at Rs140.90 while at the open market it gained by 80 paisa to trade at Rs143. The main reason behind the dollar appreciation was due to market rumors that IMF would dictate the terms and signing agreement with the international financial institutions, the country has to adjust dollar rate, interest rate and some other key macro economic indicators.