Which of the following does not represent a function typically performed by a purchasing department?

After$-$sales support: Activities encompass services likewarranty, repairs, and technical assistance provided to customers following a product purchase. Category Management: The strategic management of product categories as business units, optimizing their performance.

Spend Analysis: The systematic review of procurement expenditures to identify spending patterns and opportunities for cost savings and efficiency.

Supplier Evaluation and Selection: The process of assessing and choosing suppliers based on criteria such as price, quality, service, and reliability.