Geez, that's ridiculous. You need to get a master plot hardcopy of it somewhere. There's simply no excuse for that price.
Last fall I plotted four E size AutoCAD pages myself (at work, after hours, I paid for supplies..) and then took it our local Insta-Copy. It was $37 with the tax for 12 total pages (3 x 4 sets of plans), about $3 a sheet.
Granted, I'm out here in the sticks in southern NM, but I'll bet it isn't THAT much more in the Big City.
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"Makin' copies!.. It's the Alanmeister!" - from "Saturday Night Live"