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revenue as long as possible while avoiding maintenance costs.
*Outsourcing functionality of the legacy system to a different company, especially if it is not considered a core business function.
*Discarding the existing legacy system and redeveloping a new application from scratch to fulfill the same purpose as the legacy system. However, this approach is inefficient due to discarding a working system, and with this approach there is a danger that the new system will not fulfill changing business

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