A well known, national chain of restaurants discovered that certain weather patterns substantially impacts their business. They have studied it and found that more people go out to eat dinner when there is a series of beautiful days. So they measure the weather quality at their stores across the country. Managers report the weather quality daily. A weather predicting system is then employed to determine the quality of subsequent days. When the model predicts a higher customer count they reduce or eliminate sale items and include higher priced or higher margin specials on the changing daily menu. While they can