[Dennis @ Sign FX]

Originally Posted by MassiveGraphics

I'd just use your sq footage and charge whatever it is you charge per sq. ft. add some time in for setup and your contour cut.. and BAMM done.

I never do anything for time and materials alone. You need to factor in your costs of doing business. And if this is not a wholesale job, you should also figure in "advertising value", which sadly most people in this industry don't do anymore.