Jungle, Inc., has a target debtequity ratio of 0.72. Its WACC is 11 percent, and the tax rate is 34 percent.

Required: (a) If Jungle's cost of equity is 15.5 percent, what is the pretax cost of debt? (Do not round your intermediate calculations.)

(b) If instead you know that the aftertax cost of debt is 7.5 percent, what is the cost of equity? (Do not round your intermediate calculations.)