Mary Grossman has been selling cupcakes for the past few years. She keeps meticulous record of every cupcake that she has ever made and sold. She has also kept records of customers’ comments on all her cupcakes. These have been entered into a computerized accounting information system that her accountant refers to as a "data warehouse." Mary is considering rebranding her cupcake business and has asked her accountant to identify the top-selling cupcakes for the past few years. Mary wants her accountant to engage in:.

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability