New-Project Analysis but it would be recovered at the end of the project's 5 -year life. Madison's marginal tax rate is 25%, and a 13% cost of capital is appropriate for the project. be indicated by a minus sign. NPV: \$ IRR: % MIRR: % The project's 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%. $ the scenario analysis: places. Negative values, if any, should be indicated by a minus sign. The project's expected NPV: \$ Standard deviation: \$ Coefficient of variation