If its steel, you can bend it back yourself. First, go to Sheldon Brown's site for instructions in how to use a string to check frame straightness, then very gently, usually with 2X4s, you can bend it back.
I suggest you drink the beer AFTER this project not before.
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Il faut de l'audace, encore de l'audace, toujours de l'audace
1980 3Rensho-- 1975 Raleigh Sprite 3spd
1990s Raleigh M20 MTB--2007 Windsor Hour (track)
1988 Ducati 750 F1