6) What is the capital structure that minimizes CD's WACC? \begin{tabular}{|c|c|c|c|c|c|c|c|c} \hline Amount & D / Capital & E / Capital & D / E & Levered & & & & \\ \hline Borrowed & Ratio & Ratio & Ratio & Beta & rs & rd & rd(1T) & WACC \\ \hline$0 & & & & & & - & & \\ $250,000 & & & & & & 8.0% & \\ $500,000 & & & & & & 9.0% & \\ $750,000 & & & & & & 11.5% & \\ $1,000,000 & & & & & & 14.0% & & \end{tabular}