A firm estimates its cost of equity using different approaches as follows.

Method

Estimate $\%$

CAPM

$12\mathrm{.}45$

DCF

$13\mathrm{.}67$

RD $+$ RP

$12\mathrm{.}22$

The average cost of equity for this firm is

Group of answer choices

$12\mathrm{.}95\%$

$12\mathrm{.}78\%$

$13\mathrm{.}06\%$

$12\mathrm{.}34\%$

$12\mathrm{.}87\%$