What are some problems associated with using packaged software? How can these problems be minimized?$2.$ What information is typically conveyed in an RFP$?3.$ Assume you are developing a new system for a local real estate agency. The agency wants to keep a database of its property listings and also wants to have access to the citywide multiple listings service used by all real estate agents. Which design strategy would you recommend for the construction of this system? Why?$4.$ Callum is an analyst. The human resources department is very unhappy with their payroll package. They want the information systems department to write them a new package as they think they have unique needs that can't be met with a packaged solution. What should Callum do$?$