1 Click Refresh Events. New events are added to the list, and unknown traffic events return to the list if they have not been resolved.  You can also test resolving unknown traffic events by clicking My Dashboards > NetFlow > NTA Summary. You should no longer see a banner regarding unknown flow traffic.
An implicit interest rate is the nominal interest rate implied by borrowing a fixed amount of money and returning a different amount of money in the future.
An implicit assumption in the use of the payback method is that returns to the investment continue after the payback period. The payback method does not specify any required comparison to other investments or even to not making an investment .