A business activity streamlines its supply side operations through the supply chain management process to maximize customer value and gain a compatitive advantage in the marketplace. As a result it is best known as$?$ A$.$ The managenent of inventories in various customers warehouses, B$.$ A smooth movent of materials, goods, and related information between supplires, firms, retailers and end users, C The movement of raw materials among customers, D$.$ The entire network of customers and competitors that work together to market their products