Expenditure analysis by category/supplier enables buyers to track trends over time (A), supporting benchmarking and financial control. It also identifies opportunities for negotiation (C) by highlighting concentration of spend and potential leverage with suppliers. Marketing strategy, production scheduling, and stock disposal are outside procurement’s primary scope. Responsible sourcing relies on robust spend analysis to identify efficiency opportunities, reduce wasteful expenditure, and support supplier relationship management strategies, all while aligning with sustainability and compliance goals.