This document provides an overview of Unit B in the Computer Applications I course. The unit focuses on software applications for business, including business documents, spreadsheets, charts, databases, and presentations. It is presented through six objectives across five competencies. The objectives teach students to understand, apply, and develop various business tools like documents, spreadsheets, databases, and presentations. Formatting guidelines and components of common business documents are unpacked to help students properly format documents and determine which is best suited for different situations.