Warr Company is considering a project that has the following cash flow data. What is the project's IRR? Note that a project's projected IRR can be less than the WACC or negative, in both cases it will be rejected. Year 0 1 2 3 4 Cash flows -$1,415 $400 $400 $400 $400 3.98% O 5.00% O 5.10% O 5.61% O 6.33%