payback
//ˈpeɪˌbæk//
Noun
paybackSingular
paybacksPlural
1
An act of revenge or retaliation for a wrong or injury suffered.
He said the attack was payback for the insult.
2
The return of money previously invested or loaned; repayment.
The payback on this investment will take about five years.
3
The profit or benefit gained from an investment or action.
The payback from investing in education is significant.