Match each elesticity with its use - Price elasticity of demand A. Use to determine the level of output a company wants to produce when the price of a good changes. Cross price elesticity of demand B. Use to determine whether the company revenues will increase or decrease if a Income elesticity discount is offered to customers. Price elsticity of supply C. Use to determine whether two goods are complement or substitute. D. Used to determine how revenues will be affected by an increase or decrease in wealth