Answer:
A) Supply Chain Management
Step-by-step explanation:
Supply chain management or the SCM deals with the complete flow of goods from procurement of raw materials to conversion into a finished good and than delivery and consumption to and by the final customer.
Inventory management deals with inventory tracking while customer management is dealing only with the customers side after the products have been produced and delivered. Value chain whereas is the management of all these activities. Together in a coherent form they may actually form a part of the entire supply chain.
Hope that helps.