How much vaguely should this cost?

I was thinking about getting a tattoo of 2 pairs of footprints walking up my back. One big set and one more child sized. The prints wouldn't be fancy basically just outlines with some sort of blue fill. the big ones would be about 3 inches tall and the small ones would be about 1 inch tall. there would only be three of each print making six total. I was just trying to get an idea of how much this would cost. The artists told me I would pay about 200 for a sun with an 8 inch diameter jsut to give you an idea. Thanks for the help.