You own a $$50,000$ portfolio consisting of two stocks, A and B$.$ Stock A is valued at $$15,000$ and has an expected return of $10\%.$ Stock B has an expected return of $5\%.$ What is the expected return on the portfolio?

Group of answer choices

$7\mathrm{.}5\%$

$6\mathrm{.}5\%$

$8\mathrm{.}5\%$

$5\mathrm{.}5\%$