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WEIGHTED AVERAGE COST OF CAPITAL
CAPM-based cost of equity with market-weighted capital structure
     
COST OF EQUITY (CAPM)   Source / Notes
Risk-Free Rate (Rf) 4.20% 10-Year US Treasury yield
Equity Risk Premium (ERP) 5.50% Damodaran / Duff & Phelps estimate
Levered Beta 1.15 Bloomberg / peer regression
Size Premium 1.00% Duff & Phelps size premia study
Company-Specific Risk Premium 0.50% Analyst judgment
     
Cost of Equity (Ke) 12.03% Ke = Rf + Beta × ERP + Size + CSRP
     
COST OF DEBT    
Pre-Tax Cost of Debt (Kd) 5.50% Weighted avg coupon on outstanding debt
Marginal Tax Rate 25.00%  
After-Tax Cost of Debt 4.13% Kd × (1 - Tax Rate)
     
CAPITAL STRUCTURE    
Market Cap ($mm) 10,500.0  
Total Debt ($mm) 1,500.0  
Total Capital ($mm) 12,000.0  
Equity Weight 87.50%  
Debt Weight 12.50%  
     
WACC CALCULATION    
WACC 11.04% WACC = We×Ke + Wd×Kd(1-t)
     
WACC SENSITIVITY (Terminal Growth vs. WACC)  
Note: Detailed sensitivity tables on the Sensitivity sheet.