Why is the concept of price elasticity of demand potentially very useful for a business?

Role of price elasticity in business decision: See every producer has to decide the price of a product ar which he has to sell it.While deciding it,price elasticity of demand becomes important for him.If the demand of his productis less elastic,he will fix up a higher price or vice-versa. The concept of price easticity helps the producers when they havetodetermine the price of jointlypouced goods. For example: oil and oil cakes are two joint goods.If the demand for oil is inelastic as compared to the demand for oil cakes,a higher price for oil is charged.