Facebook has 16,100 shares outstanding and each share is trading for a price of $81. The firm also has 340 bonds outstanding and each bond sells for $1,980. The cost of equity capital for Facebook is 11.85% and the yield to maturity on its debt is 6.25%. The tax rate for the firm is 35 percent. The WACC for Facebook is:

10.38%

9.20%

9.94%

8.71%

8.88%