Sauer Milk Incorporated wants to determine the minimum cost of capital point for the firm. Assume it is considering the following financial plans: Plan A Debt Preferred stock Common equity Plan B Debt Preferred stock Common equity Plan C Debt Preferred stock Common equity Plan D Debt Preferred stock Common equity Plan A Plan B Plan C Plan D Weighted Cost % % Cost (aftertax) Weights % 3.0% 6.0 10.0 3.2% 6.2 11.0 4.0% 6.7 10.6 7.0% 7.6 12.6 15% 10 75 25% 10 65 a-1. Compute the weighted average cost for four plans. Note: Do not round intermediate calculations. Input your answers as a percent rounded to 2 decimal places. 35% 10 55 45% 10 45