Why might a neurosurgeon receive a higher wage than a nail technician ?
a . there are fewer nail technicians than neurosurgeon .
b . there are fewer neurosurgeon than nail technicians .
c . nail technicians work for companies with higher profits than neurosurgeons .
d . less education is needed for neurosurgeons than nail technicians .

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