The treasurer of Riley Coal Co, 15 asked to compute the cost of fixed income securities for her corporation. Even before making the calculations, she assumes the aftertax cost of debt is at least 2 percent less than that for preferred stock. Debt can beissued at a yieid of 104 percent, and the corporate tax rate is 25 percent Preferred atock wil be priced at 561 and pay a dividend of $5.20 The flotation cost on the preferred stock is $7 a. Compute the aftertax cost of debt (Do not round intermediate caiculations. Input your answer os a percent rounded to 2 decimol ploces.) 2 decimal ploces:) b. Compute the attertax cost of preferred stock. (Do not round intermediate colculations. Input your answer as a percent rounded to 2 decimol placesi)