1. avatar says

    In the annuity depreciation example a point was made that althoigh RI remains flat throughout the 5 years and ROI does not. However, if we use the opening BS figure to calcualte the ROI then ROI also remains flat at 11%. Can someone advise if we can calculate the ROI in this to demonstrate that annuity depreciation does indeed work well for ROI calculations in the same way as RI does.

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