What is the capital structure that minimizes CDs WACC?

What is the value of minimum WACC?

a.14.72%

b.14.34%

c.14.58%

d.15%

What is the value of debt structure minimizes the WACC?

a.$250,000

b.$750,000

c.$1,000,000

d.$500,000

\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 & & & & & & - & & \\ \hline$250,000 & & & & & & 8.0% & & \\ \hline$500,000 & & & & & & 9.0% & & \\ \hline$750,000 & & & & & & 11.5% & & \\ \hline$1,000,000 & & & & & & 14.0% & & \\ \hline \end{tabular}