Estimated value on 3 xbox360 games for cash @ gamestop.?

I need an estimated trade in value FOR CASH not store credit for 3 xbox360 titles. Games include:

Call of Duty: Modern Warfare 2

Final Fantasy XIII (13)

and Forza Motorsport 3---- All games include their cases and book inside, the cd's are scratch free. Thank you for your time!Estimated value on 3 xbox360 games for cash @ gamestop.?
I'd say $90 since they're all good games.Estimated value on 3 xbox360 games for cash @ gamestop.?
i would think it would cost around 200

barometer

forza motorsport 3