Covers the knowledge (What) and the implementation know-how (How) for the unique solution of TOC that transforms Make to Stock (MTS) environment into Make to Availability (MTA). This part provides what is needed in order to make this solution a reality and achieving the expected benefits. This part also covers MTIA – Make to Internal Availability which is an application of the MTA solution for special cases when it makes sense to hold availability of semi-finished products or parts in front of assembly. This part details the changes to the IT system to accommodate the information flow needed for the solution. It also describes what is needed in order to assist management in decision making. All the injections are described in a way that is supportive of a pilot and thereafter to be incorporated in the company’s IT systems.