Starbucks, the chain of coffee shops, has asked you for advice on the products they sell at their shops. You have found that the Cross Elasticity of Demand for coffee with respect to the price of product X to be 1. What type of product is product X? Can you give examples of products that would have this type of relationship with the coffee Starbucks sells in their shop? What if the Cross Elasticity of Demand for coffee with respect to the price of product Y was -1? Can you think of examples of such products? How would knowledge on the level of Cross Elasticity between coffee and other products help the management of Starbucks