WinCo Foods, a large Discount grocery retailer in the western
United States, promotes itself as the lowest priced grocery
retailer. In newspaper ads WinCo Foods published a price comparison
for products between WinCo and several competing grocery retailers.
One of the retailers compared against WinCo was Walmart, also known
as a low price competitor. WinCo selected a variety of prodcts,
listed the price of the product charges at each retailers, and
showed the sales receipt to prove the prices at...