How do you put a price on stuff?

[Tadao]

I can help a little, I was part of the whole art walk scene in two very different towns, and I took great notice in price of art. I have 2 questions.

What is the goal of your price? (too sell or compliment your work)
What type of establishment is it hanging in? (bagel shop or art gallery)

I know the first question is I don't care, but you have to make a choice.