15 A firm wants to determine the minimum cost of capital point for the firm. Assume it is considering the following financial plans: Cont aftertax) Weight Plan Debt 6.01 25 Preferred stock 12.0 Common equity 16.0 60 Plans Debt 6.61 351 Pretorred stock 12.6 15 Common equity 17.0 50 Planc boot 7.04 Pretorted stock Cocon equity 050 40 Preferred stock Comonty 17.00 20.4 558 15 -1. Comoute 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 Prana