-Perfective maintenance usually is cost effective ____ the system's operational life.
A)early in
B)during the middle of
C)late in
D)throughout

Name: -Perfective maintenance usually is cost effective ____ the system's operational life. A)early in B)during the middle of C)late in D)throughout
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Question

-Perfective maintenance usually is cost effective ____ the system's operational life.
A)early in 
B)during the middle of 
C)late in 
D)throughout

Quizplus · Accepted Answer

The Answer of 
-Perfective maintenance usually is cost effective ____ the system's operational life.
A)early in 
B)during the middle of 
C)late in 
D)throughout

-Perfective Maintenance Usually Is Cost Effective ____ the System's Operational