For your company, here are three financing options. The cost of equity is 8%; the cost of debt is 6%; the cost of issuing bonds is 7%. If you decide to financing your project with 40% of equity, 30% of debt and 30% of bond. What is your pre-tax weighted average cost of capital? Please round up your answers to 2 decimals and input your answer as decimals, not percentage. (For example, if WACC is 12%, write 0.12 as your answer.