(Individual or component costs of capital) Compute the cost of capital for the firm for the following: $1,124 and will mature in 10 years. The firm's marginal tax rate is 34 percet. c. A preferred stock that sells for $137, pays a dividend of 9.3 percent, and has a $100 par value. d. A bond selling to yield 11.8 percent where the firm's tax rate is 34 percent. a. The after-tax cost of debt is 6. (Round to two decimal places.) (Individual or component costs of capital) Compute the cost of capital for the firm for the following: $1,124 and will mature in 10 years. The firm's marginal tax rate is 34 percet. c. A preferred stock that sells for $137, pays a dividend of 9.3 percent, and has a $100 par value. d. A bond selling to yield 11.8 percent where the firm's tax rate is 34 percent. a. The after-tax cost of debt is 6. (Round to two decimal places.)