그럼 나한테 뭐 해줄건데?

A: Could I talk you into giving me a lift down south?
B: Perhaps. 그럼 나한테 뭐 해줄건데? Think big.
A: I’ll ante up for an oil change for your ride.
B: Throw in a car wash and we’re golden.

A: 남쪽으로 가는 데 차 좀 태워줄 수 있을까?
B: 아마도. What’s in it for me? 통 크게 생각해봐.
A: 네 차 오일체인지 내가 내줄게.
B: 세차비나 내줘. 그럼 충분해.

[Additional expressions]
* Could I talk you into
– Would I be able to convince you into / Can I persuade you into
* giving me a lift down south
– giving me a ride down to the southern part of the country
* Perhaps.
– Maybe. / It might be possible. / It’s not out of the question. / It’s feasible.
* What’s in it for me?
– What do I get out of it? / What reason would I have for doing that?
* Think big.
– Don’t be cheap. / Be extremely generous. / Use your biggest imagination.
* I’ll ante up
– I’ll pay / I’ll give you money / I can contribute cash
f* or an oil change for your ride
– so that you can pay to get the oil changed in your car
* Throw in a car wash
– Add a car wash / Also pay to get my car washed
* we’re golden
– you’ve got a deal / all will be good / I’ll be OK with it