Unida Systems has 38 million shares outstanding trading for $9 per share. In addition, Unida has $82 million in outstanding debt. Suppose Unida's equity cost of capital is 18%, its debt cost of capital is 9%, and the corporate tax rate is 39%. 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? a. What is Unida's unlevered cost of capital? Unida's unlevered cost of capital is \%. (Round to one decimal place.)