Wiley's Wire Products is considering a project that has the following cash flow and WACC data. What is the project's MIRR?

WACC: $11\mathrm{.}00\%$ Year Cash flows

$\backslash$table$[[0,1,2,3],[-$$$800,$$$350,$$$350,$$$350$

I need this solved through the formula. Please show all work. $13\mathrm{.}50\%$ is the correct answer, i just need to know how