Frank, inc is considering a project that has the following cash flow and WACC data. What is the project's MIRR? Note that a project's MIRR can be less than the WACC (and even negative), in which case it should be rejected.

WACC: 12.25%

Year 0 1 2 3 4

Cash flows -$1,700 $600 $640 $680 $720