NEW BATHROOM: What is the approximate cost of building a NEW bathroom (8x8), e,g glass door shower, toilet and?

What is the approximate cost of building a NEW bathroom (8x8), e,g glass door shower, toilet and 24" to 42" vanity?

This would be a master bathroom. New meaning I need to purchase dry wall, plumbing, fixtures, a door and paint.

Thanks for your knowledge based and educated answers.