The purpose of the systems analysis phase is to build a logical model of the new system.The first step is（/），where you investigate business processes and document what the new system must do to satisfy users. This step continues the investigation that began during the（ ）. You use the fact-finding results to build business models，data and process models，and object models. The deliverable for the systems analysis phase is the（/），which describes management and user requirements，costs and benefits，and outlines alternative development strategies.The purpose of the systems design phase is to create a physical model that will satisfy all documented requirements for the system. During the systems design phase，you need to determine the（/），which programmers will use to transform the logical design into program modules and code. The deliverable for this phase is the（/），which is presented to management and users for review and approval.