Maria deposits her paycheck each week in a checking account. She plans to buy a car in the next year, so she decides to start saving $100 each month to pay for it. She does not want to have to remember to make that deposit each month.

Which of the following statements is true of the balanced-scorecard? a. it is a more or less a one-dimensional metric of measuring competitive advantages of a firm. b. it is one of the traditional approaches of measuring firm performance. c. its primary focus is to base a firm's strategic goals entirely on external performance dimensions. d. it attempts to provide a holistic perspective on firm performance.