Learn how to calculate the net present value (NPV) of your investment projects using Excel's XNPV function.

You can use Excel to calculate NPV instead of figuring it out manually. An NPV of zero or higher forecasts profitability for a project or investment. Projects with a negative NPV forecast loss.

Elazar Berkovitch, Ronen Israel, Why the NPV Criterion Does Not Maximize NPV, The Review of Financial Studies, Vol. 17, No. 1 (Spring, 2004), pp. 239-255 ...