System Analysis and Design
During the maintenance phase

System analysis is carried out
System requirements are established
Programs are tested
None of the listed here

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

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

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