Manusmriti
वसिष्ठविहितां वृद्धिं सृजेद् वित्तविवर्धिनीम् । अशीतिभागं गृह्णीयान् मासाद् वार्धुषिकः शते ॥ १४० ॥
A money-lender may stipulate as an increase of his capital, for the interest, allowed by Vasishtha, and take monthly the eightieth part of a hundred.
english translation
vasiSThavihitAM vRddhiM sRjed vittavivardhinIm । azItibhAgaM gRhNIyAn mAsAd vArdhuSikaH zate ॥ 140 ॥
hk transliteration by Sanscript