In a Balanced Scorecard System, Which of the Following Is

In a balanced scorecard system, which of the following is not a performance measurement dimension? a. Short-term and long-term objectives.
B) "Hard" objective and "short" subjective measures of performance.
C) Past outcomes and forward looking measures of performance.
D) External and internal measures of performance.
E) All of the above are dimensions of performance measurement under a balanced scorecard approach.