What am I doing wrong here? I did this in excel. My IRR is right, not my NPV??

If the firm does invest in mitigation, the annual inflows would be $22 million. The risk-adjusted WACC is 14%. places. NPV: \$ million IRR: % places. NPV: $ million IRR: % b. How should the environmental effects be dealt with when this project is evaluated? company needs to make sure that they have anticipated all costs in the "no mitigation" analysis from not doing the environmental mitigation. II. The environmental effects should be ignored since the mine is legal without mitigation. III. The environmental effects should be treated as a sunk cost and therefore ignored. V. The environmental effects should be treated as a remote possibility and should only be considered at the time in which they actually occur. c. Should this project be undertaken? The project should be undertaken only under the "no mitigation" assumption. If so, should the firm do the mitigation? the analysis. analysis