While MRP I primarily address the inbound flow of inventory (materials management), adds other interfaces such as finance, marketing, and integrated logistics. Like MRP I, is a push inventory model which pushes product through manufacturing and distribution processes in order to meet forecast demand. However, it adds further dimensions to the basic model. not only considers the inbound flow of material, but also how much material can actually be handle within the plant. Furthermore, it actually handles production scheduling, labour needs, ....