Blue Bull, Inc., has a target debt-equity ratio of .70. Its WACC is 8.4 percent, and the tax rate is 35 percent.

Required:
(a)	If the companys cost of equity is 11 percent, what is its pretax cost of debt? (Do not include the percent sign (%). Round your answer to 2 decimal places (e.g., 32.16).)

(b)	If the aftertax cost of debt is 5.2 percent, what is the cost of equity? (Do not include the percent sign (%). Round your answer to 2 decimal places (e.g., 32.16).)