harisson inc. owns fast food restaurants and snack food and beverage manufacturers in canada. one of the restaurants, pizza place, serves a variety of beverages along with pizzas. one of the beverages is ginger beer, which is served on tap. harisson has just purchased a new division, cumberland beverages, that produces ginger beer. the managing director of cumberland beverages has approached the managing director of pizza place about purchasing cumberland beverages ginger beer for sale at pizza place restaurants rather than its usual brand of ginger beer. managers at pizza place agree that the quality of cumberland beverages ginger beer is comparable to the quality of their regular brand. it is just a question of price. the basic facts follow: