Which of the Following Statement Is Not True

Which of the following statement is not true?

A) A new system should reserve a reasonable amount of computing power and data storage capacity for future needs.
B) Identifying the key events that occur within a business process and how well the current system handles these events can be a powerful way to identify problems in the current system.
C) Adding new and more powerful hardware to a system can always improve the system's performance.
D) Sometimes a new software system,even if it still operates on existing hardware,can bring about significant increase in transaction processing speed