You own a stock portfolio invested $15$ percent in Stock Q$,25$ percent in Stock R$,15$

percent in Stock S$,$ and $45$ percent in Stock T$.$ The betas for these four stocks are $0\mathrm{.}5,$

$1\mathrm{.}38,1\mathrm{.}04,$ and $1\mathrm{.}11,$ respectively. What is the portfolio beta?

Multiple Choice

$1\mathrm{.}13$

$1\mathrm{.}05$

$1\mathrm{.}08$

$1\mathrm{.}1$

$1\mathrm{.}02$