Supply$-$chain management encompasses the planning and management of all activities involved in sourcing and procurement, conversion, and logistics$.$ Importantly, it also includes coordination and collaboration with channel partners, which can be suppliers, intermediaries, third$-$party service providers, and customers. In essence, supply$-$chain management integrates supply$-$and$-$demand management within and across companies. Activities in the supply chain include the following except:

marketing management

demand management

distribution network design

product$-$return management