Thinking back to lessons that your company learned from experiences with its legacy information systems during the Y2K dilemma, you finally convinced management to consider systems maintenance from the beginning of the project. However, maintenance
should______________


A. Always be included as an activity to be performed during the closeout phase
B. Have a separate phase in the life cycle for information systems project because 60% to 70% of computer systems' life-cycle costs generally are devoted to maintenance
C. Not be viewed as part of the project life cycle
D. Be viewed as a separate project