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: Microsoft quarterly revenue hits \$9.1 billion Microsoft posted its first-quarter 2005 financial results last week, reporting revenue of US\$9.19 billion and net income of \$2.9 billion.

Business