Please answer only question number 3: and refer to Systems Analysis and Design 10th edition book, the case study in chapter 10 ( page 442). Please Please Please Answer if you are confident that you have a professional and correct answer.

Continuing Case: Personal Trainer, Inc. Personal Trainer, Inc. owns and operates fitness centers in a dozen Midwestern cities. The centers have done well, and the company is planning an international expansion by opening a new "supercenter" in the Toronto area. Personal Trainer's president, Cassia Umi, hired an IT consul tant, Susan Park, to help develop an information system for the new facility. During the project, Susan will work closely with Gray Lewis, who will manage the new operation. Background Susan and Gray finished their work on user interface, input, and output design. They developed a user-centered design that would be flexible and easy to learn. Now Susan turned her attention to the architecture for the new system. Susan wanted to consider their own organization and culture, enterprise resource planning, total cost of ownership, scalability, Web integration, legacy systems, processing methods, security issues, and corporate portal. She also needed to select a network plan, or topology, that would dic- tate the physical cabling and network connections, or consider a wireless network. When all these tasks were completed, she would submit a system design specification for approval. (continues)