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

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

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System Analysis and Design
The approach used in top-down analysis and design is

to prepare flow charts after programming has been completed
to identify a top level function an d then create a hierarchy of lower-level modules and components.
all of the listed here
to identify the top level functions by combining many smaller components into a single entity

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