this is about #2. I did beginning and end of year plus average Book balance. but I wanted to know the reason why I can't do historical vs. current cost please? thank you for any help given

This problem provides a simple example of how alternative investments bases affect the calculation of ROI (and therefore, affects performance evaluation). Basic Information: The T Division of A.T. Enterprises has depreciable assets costing $2 million. The cash flows from these assets for 3 years follow: Depreciation of these assets is 10% per year; the assets have no salvage value. (2) Visually compare each method separately across the three years. Based on your visual comparison, which method is better for evaluating performance? Why