Ruffles bakery has a capital structure of 40% debt and 60% equity, its tax rate is 35%, and its unlevered beta, bU, (if the firm had no debt) is 0.90. The risk-free rate is 3.0%, and the market risk premium is 6.0%. The firm has issued no preferred stock. What would be Giovanni's WACC? Assume the firm's cost of debt, rd, is 6.0%. (Hint: First, calculate the levered beta using the Hamada equation. Second, computers using the CAPM. Then, use the WACC formula to calculate the firm's WACC.