additionalgain
nounUK /əˈdɪʃənl ɡeɪn/
US /əˈdɪʃənl ɡeɪn/
Extra good stuff you get on top of what you already have.
Selling the old bike gave him an additional gain of fifty dollars.
OTHER MEANINGS
2. An extra increase in strength or speed.
The new engine gave the car an additional gain in speed.
3. More money earned beyond the usual amount.
The shop reported an additional gain from weekend sales.
4. A further improvement in a skill or score.
Practice brought an additional gain in her test results.