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
All of these
None of these
the flexibility of modifying the system at will

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System Analysis and Design
The black-box concept:

assumes that inputs and outputs will remain stable
All of these
assumes that the black box is independent
None of these
is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.

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System Analysis and Design
Cost-Benefit analysis

None of these
All of these
evaluates the tangible and non-tangible factors
compares the cost, with the benefits, of introducing a computer-based system
estimates the hardware and software costs

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