System Analysis and Design
Structured design methodology is an approach to design that adheres to rales based on principles such as

data flow analysis
None of these
top-down refinement
All of these
bottom-up design

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System Analysis and Design
The advantage of Purchase Option is (are)

Insurances, maintenance, and other expenses are included in the rental charge
No financing is requird. The risk of system obsolescence is shifted to the lessor
None of these
the flexibility of modifying the system at will
All of these

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