The risk$-$free return is $4\mathrm{.}3\%$ and the market risk premium is $8\mathrm{.}3\%.$ What is the expected

return for the following portfolio? $($State your answer in percent with two decimal

places.$)$

Stock Beta Investment

AAA $3\mathrm{.}6$$$600,000$

BBB $2\mathrm{.}2$$$1,100,000$

$CCC1\mathrm{.}9$$$2,500,000$

DDD $1\mathrm{.}2$$$1,400,000$

$20\mathrm{.}62\%$

$16\mathrm{.}32\%$

$12\mathrm{.}16\%$

$7\mathrm{.}86\%$

$19\mathrm{.}66\%$