According to Vastu Shastra East facing Beauty Parlour is good for business. It is at basement, if it is at ground and 1st floor then it gives more good result. Your cash box should be at South West corner and facing East is also the best.
Mirror should be fix North and facing West. A pooja place should be at North East corner. Electric metre switch board etc place is South East corner. A crustal tortoise gives good results for business. You should fix a Shreeyantra at North East corner and pry daily two times.