QuickSilver Company has 2.1 million shares in issue. The current market price is $42 per share. The company's debt is publicly traded on the London Stock Exchange and the most recent quote for its price was at 97% of face value. The debt has a total face value of $12 million and the company's credit risk premium is currently 2.5%. The risk-free rate is 3.9% and the equity market risk premium is 7.8%. The company's beta is estimated at 1.2 and its corporate tax rate is 18%.

Required: Calculate the company's WACC.