Assume that a new packaging machine costs $1,000,000 and promises to replace two workers (valued at $50,000 each per year) and save about $5,000 in power costs. If straight-line depreciation over 7 years is assumed, and the corporate tax rate is 30%, expected ROI = % NOTE: Answer must be in percent and to one decimal place (e.g. 5.5%) Hint: Recall how to calculate benefit of depreciation. w