The following data pertains to Xena Corp.: Xena Corp. Total Assets $23,610 Interest-Bearing Debt (market value) $11,070 Average borrowing rate for debt 10.2% Common Equity: Book Value $ 6,150 Market Value $25,830 Marginal Income Tax Rate 37% Market Beta 1.73 Assume that the risk-free rate is 4.5% and the market risk premium is 6.2%. Calculate Xena's weighted-average cost of capital.