What is meant by classifying a unit as an investment center vs. a cost or profit center? Discuss how each of the following tools, individually and/or collectively, can and should be used to evaluate managers of such investment center individual divisions of a large organization: ROI, EVA, and the Balanced Scorecard. (Hint: discuss how each works, what each helps ensure, what dysfunctional behaviors can result from its use, and how multiple approaches can help ensure behavior that aligns individual incentives with overall corporate strategy.)