The CFO of Firm X is trying to determine their WACC and asked your help with this task. According to the CFO, they have 30M shares outstanding with the market price of $38. The cost of equity is 11.30\% pa. They also have 1.2M units of zero-coupon bonds (ZCB) outstanding. The ZCB has 10 years left to maturity, currently trading at $600, and the face value of $1,000. Finally, there are 15M shares of preferred stocks. The market price per share is $40 and these stocks offer $3.40 per share dividend. If the tax rate is 10%, what is the WACC of Firm X? (Note: All answers are rounded) \begin{tabular}{l} 8.69% \\ \hline 8.89% \\ \hline 8.42% \\ \hline 8.51% \\ \hline 8.79% \end{tabular}