Sometimes, consumers are influence to bargain the price or define the product’s value or service as they want. For the entrepreneur decrease the price can makes our company lose the profit and if increase the product’s value we have to add more principal and all these factor can affect to losing the profit, especially the business that people not much interested and if the product is not be required for the market the customer will has the powerful to bargain the price and will has more if all the customers buy the same product in high quantity because the customer can choose to provide to other entrepreneurs that can give the price and the product’s value as they want.