<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.wafanyabiashara wengi na walanguzi hufuatilia viwango vya riba kwa makini kwa sababu mara nyingi huathiri sana viwango vya ubadilishaji wa sarafu.  <response>: many traders and speculators monitor these interest rates very carefully because it often has a dramatic impact on currency exchange rates. 