Market demands and factors of supply and demand have got a real pressure on price.
However, there are brands, trade marks and product quality and integrity which has some connotation to social position, E.g. clothes worn by celebrity is well sort after at higher price.
As for a small business, it has to do with the bottom line - profit margin, competitions and market value of the product. The price structure has got very much to do with the stage of development of the business, but as businesses grow, like any other corporation, the cost increases along with the number of staffs, the salary increase, and increasing redundancy. That is the life-cycle of business, which has very much to do with the life-cycle of the product.