The US dollar exchange rate opened without major variations this week compared to its closing last Friday. Listin Diario reports that the currency was being sold at between RD$30.50 and RD$31.00 as compared to RD$30.59 and RD$31.00 on Friday. The purchase rate was between RD$30.00 and RD$30.85, a 10 cent increase in some cases. The exchange rate began to decrease last Thursday when the Banco de Reservas announced it would have a fixed rate of RD$30.59.