It has been estimated that fund spent on the expansion will have an IRR of 10 percent. The firm has been utilizing a debt / total assets ratio of 40 percent as the target capital structure. It currently has a bond issue with 20 years to maturity outstanding that has a coupon rate of 5 percent. However, the bonds are selling in the market for $705; therefore, new debt costs 8 percent. The firm faces a tax rate of 30 percent, and any new debt it issues will have a 20-year maturity What is WACC?