how would i solve this in excel? Example WACC and $\backslash (\backslash$mathbf$\{$w$\}\_\{\backslash$mathbf$\{$e$\}\}\backslash )-$ Reactive Industries' capital structure is shown below. Tax rate is $\backslash (35\backslash \%\backslash ).$ What is Reactive Industries' WACC? $\backslash$begin$\{$tabular$\}\{|$l$|$l$|$l$|$l$|$l$|$l$|\}\backslash$hline & & & & & $\backslash \backslash \backslash$hline & & & & & $\backslash \backslash \backslash$hline Security & Market Value & k & & & $\backslash \backslash \backslash$hline Debt & $20$ & $8\backslash \%$ & & & $\backslash \backslash \backslash$hline Preferred stock & $10$ & $10\backslash \%$ & & & $\backslash \backslash \backslash$hline Common equity & $50$ & $15\backslash \%$ & & & $\backslash \backslash \backslash$hline & $80$ & & & & $\backslash \backslash \backslash$hline & & & & & $\backslash \backslash \backslash$hline $\backslash$end$\{$tabular$\}18$