You sell short $300$ shares of Microsoft that are currently selling at $$30$ per share. You post the $50\%$ margin required on the short sale. If you earn no interest on the funds in your margin account, what will be your rate of return after $1$ year if Microsoft is selling at $$27?($Ignore any dividends.$)$

Group of answer choices

$10\mathrm{.}00\%$

$15\mathrm{.}50\%$

$6\mathrm{.}67\%$

$20\mathrm{.}00\%$