w.a.c.c question ??? need help?

Question

cost of equity 14%
cost of debt 9%
if the target debt/equity ration is 75%, tas rate is 34%, what is wacc?

Answer 1

K(e) = 14%
K(d) = 9% x (100%-34%) = 5.94%
WACC = W(e)xK(e)+W(d)xK(d)
(75%/175%)x5.94% + (100%/175%)x14% = WACC
2.546% + 8.000% = 11.546%