How to quote for a Flash job?

Guys, I hope this is an acceptable area to post this.

I have been asked to quote to make a Flash banner, 750 x 200,
basically a nice gradient background and a dozen or so images sliding in and out, some text phrases fading up and down.

I think most of the images should be available in a reasonable quality from the customer.

There’s no interactivity required.
Customer just wants the Flash, no html req’d.
What would you charge ?

Really appreciate any guidelines for quoting this, it’s my first paid Flashing !

Thank you !