Based on the information below for Benson Corporation, what is the optimal capital structure? Debt W 50%; Equity = 50 % ; EPS = $3.05; Stock price = $28.90. Debt = 60%; Equity = 40 % ; EPS = $3.18; Stock price = $31.20. O Debt - 80% ; Equity 20% ; EPS = $3.42: Stock price = $30.40. H Debt 70% ; Equity 30% ; EPS = $3.31; Stock price = $30.00. S Debt 40% ; Equity - 60% ; EPS = $2.95; Stock price - $26.50