Malitz Inc. is considering a project that has the following cash flow and WACC data. What is the project$$s MIRR?

Initial investment

$(850\mathrm{.}00)$

Cash flow$-$yr$-1$

$360\mathrm{.}00$

Cash flow$-$yr$-2$

$396\mathrm{.}00$

Cash flow$-$yr$-3$

$432\mathrm{.}00$

Cash flow$-$yr$-4$

$468\mathrm{.}00$

WACC

$8\mathrm{.}0\%$

a$.$

$21\mathrm{.}02\%$

b$.$

$20\mathrm{.}64\%$

c$.$

$22\mathrm{.}35\%$

d$.$

$21\mathrm{.}46\%$