Which of the following statements about a Balanced Scorecard is incorrect? I. A Balanced Scorecard must contain four perspectives. II. The Balanced Scorecard is designed to communicate a company's strategy to its investors. III. The Balanced Scorecard only focuses on nonfinancial performance measures. IV. A good Balanced Scorecard should have a balance of short-term and long-term measures.

a.II, III and IV only

b.II and III only

c.I, II and III only

d.I only

e.IV only