Answer:
The WACC is 12.24%
Explanation:
The WACC or weighted average cost of capital is the cost of a firm's capital structure. The capital structure can be comprised of three components which are debt, preferred stock and common stock.
The formula for WACC is,
WACC = wD * rD * (1-tax rate) + wP * rP + wE * rE
Where,
WACC = 0.3 * 0.10 * (1 - 0.4) + 0.03 * 0.13 + 0.67 * 0.15
WACC =0.1224 or 12.24%