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3.12 points Sauer Milk Inc. wants to determine the minimum cost of capital point for the firm. Assume it is considering the following financial plans: (aftertax) Weights 10% Plan A Debt Preferred stock Common equity Plan B Debt Preferred stock Common equity Plan C 4.0% 8.0 12.0 4.5% 8.5 13.0 75 5.0% 8.7 8.8 Preferred stock Common equity Plan D Debt Preferred stock Common equity 65 70% 9.2 10.5 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