Answer:
The correct answer is 10.12%.
Step-by-step explanation:
Market value of Equity = $575,000 × 2.65= $1,523,750 
Market value of Long term debt = 315000 × 95.7 ÷ 100 
=$301,455 
Total value of financing = Equity + Debt 
= $1,523,750 + $301,455 
= $1,825,205 
Weighted average cost of capital (WACC) = Market value of equity ÷ Total value of financing × Equity cost + Market value of debt ÷ Total value of financing × Cost of debt 
=$1,523,750 ÷ $1,825,205 × 11.3 + $301,455 ÷ $1,825,205 × 4.2 
= 9.43 + 0.69 
= 10.12%