Indojaya wheels is the largest distributor of GoldenTier branded car tires in Jakarta. And have nearly 1500 clients, from small shops to large workshops to supply the availability of car tires GoldenTier. In addition, Roda Indojaya is also trusted as a GoldenTier supplier for several factories assembled cars in Bekasi and its surroundings. Apart from being a GoldenTier distributor, Roda Indojaya too has 15 car tire shops spread across Jakarta. Although it has been established since 2010, Roda Indojaya in running the business has not made full use of information technology. Some Roda Indojaya manufacturers and clients are already using information technology to help improvement of their internal work processes. There are even some clients who will implement policies system integration to supply their goods. Seeing this development, Roda Indojaya started inviting several IT vendors to help implement information technology at Roda Indojaya. 1.Describe and explain system integration using Electronic Data Interchange (IDE) for support the integration policy of the supply system with the Roda Indojaya client! 2. Explain about payment cards and identify the advantages and disadvantages if applied in stores Indojaya Wheel! 3.Identify the technologies used to implement digital wallets and what matters a concern if Roda Indojaya will implement the use of digital wallets! 4. Make detailed steps for Roda Indojaya B2B ecommerce development plan, including includes cost planning (hardware, software, human resources), web development (outsourced / inhouse and web features) and the project timeline