This study explores the role of Rebecca in All Style Department Stores and the application of management theories in the business. It discusses the functions performed by Rebecca, such as planning, motivating, coordinating, problem-solving, directing, controlling, staffing, and organizing. It also suggests the application of the bureaucratic management theory in the firm. The report highlights the importance of motivation and training in improving employee performance and suggests the use of Maslow's hierarchy of needs theory for motivation.