Solve for the Weighted Average Cost of Capital $$\begin{aligned}10.60 \% & = K _ { l } \\1 / 3 & = \lambda \\8.0 \% & = i \\40.0 \% & = \tau\end{aligned}$$

Solve for the weighted average cost of capital: $$\begin{aligned}10.60 \% & = K _ { l } \\1 / 3 & = \lambda \\8.0 \% & = i \\40.0 \% & = \tau\end{aligned}$$

A) 8.67%
B) 8.00%
C) 7.60%
D) 7.33%
E) 7.14%