Below are the expected returns $of$ stocks and their dollar amounts invested $ina$

portfolio:

What $is$ the portfolio's expected return?

$a5\mathrm{.}335\%$

$b6\mathrm{.}635\%$

$c8\mathrm{.}964\%$

$d10\mathrm{.}080\%$

$e7\mathrm{.}875\%$