<prompt> Translate the following text to SwahiliIt is the interest rate applicable at the time of modification on marketable Treasury securities with a similar maturity to the remaining maturity of the direct or guaranteed loans, under either pre-modification terms, or post-modification terms, whichever is appropriate.  <response>: Kiwango cha riba kinachotumika wakati wa marekebisho ya dhamana za hazina za biashara zenye muhula sawa na muhula uliobaki wa mikopo ya moja kwa moja au ya dhamana, chini ya masharti ya kabla ya marekebisho au baada ya marekebisho, kulingana na kinachohitajika. 