Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Walgreen Quarterly Profit Up 18.1 Percent (Reuters) Reuters - Walgreen Co. , the top U.S.\drugstore chain, on Monday said quarterly profit rose 18.1\percent due to rising prescription demand and strong sales of\profitable nonpharmacy merchandise.

Business