I don't think it rude in this case. It came to about $800. But keep in mind, the retainer was $350 and his services usually don't go over that. Mine was an extreme case because it took so many months and he had to hire a couple of other people I remember to do some local research in person.
http://www.TheFOAT.com/92GTA 1969 Pontiac Firebird w/BP 461ci stroker kit, 670 heads & XE274H cam. Primer black with black interior. 1992 Pontiac Trans Am GTA w/SLP Performance Package. Dark Jade Grey Metallic, grey leather, T-Tops.