Given the information provided below, what is this company's WACC?

Total liabilities $=$$$225,000$

Total shareholder's equity $=$$$575,000$

Current assets $=$$$235,000$

YTM on company bonds $=6\mathrm{.}8\%$

Risk$-$free rate $=4\mathrm{.}5\%$

${?}^{-}$CAPM$=12\mathrm{.}5\%$

Tax rate $21\mathrm{.}0\%$

about $4\mathrm{.}75\%$

about $5\mathrm{.}15\%$

about $9\mathrm{.}33\%$

about $10\mathrm{.}50\%$