Calculate Ideko's unlevered cost of capital when Ideko's unlevered beta is 1.16, the risk-free rate of return is 4.63 percent and the expected market risk premium is 5.73 percent. As a reference, the equity betas with confidence intervals along with capital structure and unlevered beta estimates for comparable firms are shown here.
The estimate of Ideko's unlevered cost of capital is _______________%. (Round to two decimal places.)