This document discusses how to measure the performance of investment centers using return on investment (ROI). It provides an example calculation of ROI for two divisions of Widya Mandala's Company. ROI is calculated as operating income divided by average operating assets. The document also discusses using margin and turnover to calculate ROI. Margin is operating income divided by sales, while turnover is sales divided by average operating assets. ROI is the product of margin and turnover. Advantages of ROI include encouraging cost efficiency and asset efficiency, while disadvantages include potential narrow short-term focus.
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