In By the Numbers, industry expert Gary J. Naples offers a comprehensive guide to navigating the complexities of modern parts department management. Designed for both new and experienced professionals, this book provides a solid foundation in essential business and personnel management techniques. Understanding that effective parts management requires more than just product knowledge, the author explores the broader aspects of the role, including: ¿ Business acumen: Develop the financial and operational skills needed to succeed. ¿ Inventory management: Optimize stock levels and reduce costs. ¿ Team leadership: Build and motivate a high-performing team. ¿ Customer service: Deliver exceptional service to enhance customer satisfaction. Featuring a new self-assessment tool, Inventory Effectiveness Quotient (IEQ), this book empowers parts managers to measure and benchmark their department's performance. With clear explanations, practical examples, and real-world case studies, By the Numbers equips readers with the tools and knowledge to excel in today's dynamic automotive industry.