Given the following values: New Cap Struture

Tax Rate $0\mathrm{.}35$

Interest $6\mathrm{.}50$

debt $205,114$

equity $669,567$

D$/$E $0\mathrm{.}31$

Beta $0\mathrm{.}48$

RE $5\mathrm{.}75\%$

RD $6\mathrm{.}75\%$

D$/$V $23\mathrm{.}45\%$

E$/$V $76\mathrm{.}55\%$

K $5\mathrm{.}39$

What is the weighted average cost of capital?