If they make use of the four-model approach,which is a likely outcome?

If they make use of the four-model approach,which is a likely outcome?
A) The time required to develop the model will increase.
B) Costs of developing a logical and physical model of the current system will decrease.
C) It will not be possible to get a clear picture of the current system functions before modifications are made.
D) The requirements of a new information system will always be different from those of the current information system.


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