Which of the following situations DO NOT represent unplanned work eroding capacity and decreasing productivity?
A. A new piece or work was added to a protect after it was approved which required extra resources and time to complete resulting in other work being uncompleted.
B. A scheduled and approved change to update a series of servers was completed within the scheduled time with no reported incidents reported as a result.
C. A major incident was reported that required specific subject matter experts to focus on the incident and a project. They were working on was delayed as a result.
D. A recently implemented system suffered capacity-related performance and response issues which were not experienced in the pre-release testing phase.