payback

Từ điển Oxford Advanced Learner 8th

pay·back [payback paybacks] BrE [ˈpeɪbæk] NAmE [ˈpeɪbæk] noun countable, uncountable
1. the money that you receive back on money that you have invested (especially when this is equal to the amount that you invested to start with); the time that it takes to get your money back
•a 10-year payback
2. the advantage or reward that sb receives for sth they have done; the act of paying sth back
•His victory was seen as payback for all the hard work he'd put in during training.
• (informal)It's payback time! (= a person will have to suffer for what they have done)

Example Bank:
•There's a 25-year payback period, which will discourage most investors.