If it were unlevered, the overall firm beta for Wild Widgets Inc. (WWI) would be 1.3. WWI has a target debt/equity ratio of 0.6. The expected return on the market is 0.13, and Treasury bills are currently selling to yield 0.04. WWI one-year bonds (with a face value of $1,000) carry an annual coupon of 11% and are selling for $923.2. The corporate tax rate is 40%.(Round your answers to 2 decimal places before the percentage sign. (e.g., 10.23%))

a.	WWIs before-tax cost of debt is _____%.
b.	WWIs cost of equity is _____%.
c.	WWIs weighted average cost of capital is _____%.