Unida Systems has

36 million shares outstanding trading for $ 12 per share. In addition, Unida has $ 110 million in outstanding debt. Suppose Unida's equity cost of capital is 16 %, its debt cost of capital is 8 %,

and the corporate tax rate is 38%.

a. What is Unida's unlevered cost of capital?

b. What is Unida's after-tax debt cost of capital?

c. What is Unida's weighted average cost of capital?