There's a sample or two available here as well as some general pricing guidelines . Before we put a price on a bunch of meaningless stuff, let's talk briefly about what it is we're putting that price tag on. The people who perform those functions are, respectively, called Designers and Artists. Well, let's see if we can't clear things up a bit. They usually, but not always, provide the art or production and will always provide oversight an management of the entire project.
Many designers are also artists.
Sometimes you provide the complete specifications. Design is what you get when you hire a professional advertising agency. Design is an intensive process of consultation and research coupled with technique, guts and talent based on proven responses. Here's an example of how it works. May include research, testing and survey criteria development.