olemus
leping, milles töö kokkulepitud maksumus projekti kestel ei muutu
= a contract where the agreed-upon price for the job is unchanged throughout the project

ülevaateid
https://en.wikipedia.org/wiki/Fixed-price_contract

https://www.runn.io/blog/fixed-price-contract

https://www.projectmanager.com/blog/fixed-price-contract