Principle 5 - Investment criteria
Investment decision (even those not to take action) must be based on business
need, cost-effectiveness, and consistency with standards and models.
 Rationale
None of these interrelated criteria can be ignored if good decisions are to be
made.
Implications
- Existing applications, data, and information technology must be reassessed
regularly to ensure they continue to meet these criteria.
- Information technology investments must support operational, analytical
and planning requirements.
- Effective decision making for information technology investments requires
careful planning and coordination.
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