Answer:
8.624%
Step-by-step explanation:
Bond Kd = 5.1%
Preferred stock Kp = 6%
Retained earnings Ks = 13.6%
News shares Kn = 22.9%
Tax rate = 40%
WACC = (0.40*(1-t)Kd) + (0.10*Kp) + (0.50*Ks)
WACC = (0.40*(1-0.40)*5.1 + 0.10*6 + 0.50*13.6
WACC = 0.40*0.60*5.1 + 0.60 + 6.8
WACC = 1.224 + 0.60 + 6.8
WACC = 8.624%