The cost of the project is $$100,000.$ You expect the project to make $$500,000$ in $7$ years $($CF of year $7=$ $$500,000).$ Your cost of capital is $25\%.$ The decision that you should make for this project is

Reject it because the NPV $<mn\; id="EditorElement\_2048453">0</mn>$

Reject it because the NPV $>0$

Accept it because the IRR

Accept it because the IRR $>25\%$