Almost everything is negotiable to the salesperson, but that doesn?�t mean it is best to forgo standard pricing. The cost of Whatever you?�re selling needs to be based on the expense of the product or service, overhead, and earnings margin. free!|Sorokowski P, Sorokowska A, Karwowski M, et al. Universality https://sandraz097epa9.buscawiki.com/user