Cost (aftertax) Meights Plan A Debt 5.0% 10% Preferred stock 10.0 5 Common equity 14.0 Plan B Debt 5.6% Preferred stock 10.8 Conson equity 15.0 75 Plan C Debt 6.0% 30% Preferred stock 16.7 Common equity 12.5 65 Plan D Debt 14.0% 40% Preferred stock 17.4 S Common equity 14.8 55 a-1. Compute the weighted average cost for four plans. (Do not round intermediate calculations. Input your answers as a percent rounded to 2 decimal places.) Weighted Cost Plan A % Plan B % Plan C % Plan D %