This source provides an extensive overview of inventory management within supply chain fundamentals. It introduces Vishnu Rayapeddi as the author, highlighting their significant experience and qualifications in the field. The text thoroughly defines inventory and inventory management, outlining key objectives such as customer service and cost minimisation. Various types of inventory are explored, alongside the costs associated with inventory, including holding, ordering, and shortage costs. The document also differentiates between independent and dependent demand and explains various order quantity strategies, focusing on the Economic Order Quantity (EOQ) model and the Quantity Discount Model, complete with practical examples. Furthermore, it details ABC analysis for inventory categorisation, its procedural steps, and implications for inventory management policies, including cycle counting and different inventory valuation methods like FIFO, LIFO, and Weighted Average. Finally, the text briefly touches upon Kanban systems as a method for production control.