he project's 5-year life. Madison's marginal tax rate is 25%, and a 14% cost of capital is appropriate for the project. indicated by a minus sign. NPV: $ IRR: MIRR: % Payback: years should be indicated by a minus sign. Calculate the NPV if cost savings value deviate by plus 20%. $ Calculate the NPV if cost savings value deviate by minus 20%. scenario analysis: Negative values, if any, should be indicated by a minus sign. The project's expected NPV: $ Standard deviation: $ Coefficient of variation: he project's 5-year life. Madison's marginal tax rate is 25%, and a 14% cost of capital is appropriate for the project. indicated by a minus sign. NPV: $ IRR: MIRR: % Payback: years should be indicated by a minus sign. Calculate the NPV if cost savings value deviate by plus 20%. $ Calculate the NPV if cost savings value deviate by minus 20%. scenario analysis: Negative values, if any, should be indicated by a minus sign. The project's expected NPV: $ Standard deviation: $ Coefficient of variation