Which plan is optimal in terms capital Saner Milk Inc wants to determine the minimum cost of c firm. Assume it is considering the following financial plansal point Cost (Aftertax) Weights 30% 15 Plan A 4.0% 8.0 Debt. Preferred stock. 12.0 Common equity. Plan B 40% 15 45 4.5% Debt 8.5 Preferred stock... Common equity..13.0 Plan C 5.0% Debt.... Preferred stock.. 18.7 Common equity Plan D Debt 45% 15 40 12.8 Preferred stock Common equity... 12.0% 19.2 14.5 50% 15 35