Manusmriti

siva.sh/manusmriti/8/157

समुद्रयानकुशला देशकालार्थदर्शिनः । स्थापयन्ति तु यां वृद्धिं सा तत्राधिगमं प्रति ॥ १५७ ॥

sanskrit

Whatever rate men fix, who are expert in sea-voyages and able to calculate (the profit) according to the place, the time, and the objects (carried), that (has legal force) in such cases with respect to the payment (to be made).

english translation

samudrayAnakuzalA dezakAlArthadarzinaH | sthApayanti tu yAM vRddhiM sA tatrAdhigamaM prati || 157 ||

hk transliteration by Sanscript