What is the expected return for the following portfolio? $($State your answer in percent

with two decimal places.$)$

Stock Expected returns Investment

AAA $31\%$ $$500,000$

BBB $26\%$$$1,200,000$

CCC $18\%$ $$1,300,000$

DDD $9\%$ $$1,500,000$

$21\mathrm{.}27\%$

$16\mathrm{.}40\%$

$20\mathrm{.}12\%$

$18\mathrm{.}58\%$

$22\mathrm{.}87\%$