I would have charged $250 with everything installed ready to fly. That's assuming it's the standard size kit - not the big one.

edit: Plus shipping. That price means you provide everything except glue and sandpaper. If I buy hardware for your kit, then I tack that onto the price at cost, but I always get it approved by you first.

Yes, you got thoroughly hosed. THat kit can be built ready to fly in a week tops.