Company A is financed by four types of capital, i$.$e$.,$ debt, preferred stock, internal and

external equity financing. The financing rates $($and respective weights$)$ are as follows:

Debt: $2\mathrm{.}35\%($weight $=10\%)$

Preferred stocks: $3\mathrm{.}75\%($weight $=28\%)$

Internal equity: $5\mathrm{.}75\%($weight $=25\%)$

External equity: $6\mathrm{.}00\%($weight $=37\%)$

Based on this information, the weighted average cost of capital is: