You$$ve collected the following information from your favorite financial website.

$52-$Week Price Stock $($Dividend$)$ Dividend Yield $\%$ PE Ratio Close Price Net Change

Hi Lo

$77\mathrm{.}4010\mathrm{.}43$ Acevedo $\mathrm{.}362\mathrm{.}6613\mathrm{.}90\mathrm{.}24$

$55\mathrm{.}8133\mathrm{.}42$ Georgette, Incorporated $1\mathrm{.}543\mathrm{.}81040\mathrm{.}43\mathrm{.}01$

$130\mathrm{.}9369\mathrm{.}50$ YBM $2\mathrm{.}002\mathrm{.}21088\mathrm{.}973\mathrm{.}07$

$50\mathrm{.}2613\mathrm{.}97$ Manta Energy $\mathrm{.}825\mathrm{.}3615\mathrm{.}45\mathrm{.}26$

$35\mathrm{.}0020\mathrm{.}74$ Winter Sports $\mathrm{.}321\mathrm{.}528??$question mark $\mathrm{.}18$

According to your research, the growth rate in dividends for Manta Energy for the previous $10$ years has been negative $10$ percent. If investors feel this growth rate will continue, what is the required return for the stock?

Note: A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$