This document discusses business administration and its applications. It begins by defining business administration as designing an environment where people can work effectively together to achieve goals. It then discusses the key departments involved in administration, including production, marketing, finance, human resources, operations management, information systems, and accounting. It provides an example case study about ChemCo, a car battery manufacturer that diversified into fork-lift batteries but began losing money. It analyzes the situation, defines the problem as mismanaged diversification, and evaluates alternatives like establishing an off-brand or exiting the fork-lift business. It recommends an off-brand approach to protect the main brand's quality image while competing on price. Additional case studies on Cadbury and