Perfective maintenance usually is cost effective ____ the system

asked Jun 24, 2020 127k views

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Perfective maintenance usually is cost effective during the middle of the system.

Haruka answered Jun 26, 2020

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4 votes

Answer:

During the middle of

Step-by-step explanation:

Perfective maintenance usually is cost effective during the middle of the system.

AymenDaoudi answered Jun 29, 2020

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