Answer:
8.8%
Step-by-step explanation:
Given
cost of equity is 11 percent = 0.11
cost of debt is 6 percent = 0.06
tax rate 21 percent = 0.21
debt-equity ratio = 0.55
That is debt = 0.55 × equity
We will calculate the weight for debt and equity as
**Weight for equity
Debt + equity = 1
0.55 × equity + equity = 1
1.55 × equity = 1
equity = 1/1.55
equity = 0.6452
*** weight for debt
Debt + equity = 1
Debt + 0.6452 = 1
Debt = 1 - 0.6452
Debt = 0.3548
Now we calculate the weighted average cost of capital WACC
WACC = [weight of debt × (cost of debt × (1 - tax rate)] + weight of equity × cost of equity
= [0.3548 × (0.06 × (1 - 0.21)] + (0.6452 × 0.11)
= 0.01681752 + 0.070972
=0.08778952
WACC = 8.8%