Unida Systems has 47 million shares outstanding trading for $12 per share. In addition, Unida has $89 million in outstanding debt. Suppose Unida's equity cost of capital is 13%, its debt cost of capital is 7%, and the corporate tax rate is 31%. 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.)