This chapter discusses the expenditure cycle, which involves ordering, receiving, and paying for goods and services. It describes the basic activities in the cycle as ordering, receiving/storing items, and payment. It also discusses important decisions like inventory levels and vendor selection. Finally, it covers different inventory control methods like EOQ, MRP, and JIT as well as the role of IT in improving purchasing functions through tools like EDI, vendor-managed inventory, reverse auctions, and procurement cards.