18) Hammer Barn Inc. has 10 million semiannual coupon bonds outstanding that mature in 20 yeats. Each bond has a par value of $1,000. The bonds' annual coupon rate is 7% and yield tomaty per share have a beta of 1.4. The corporate tax rate is 20%, risk-free rate is 3%, and market tik premium is 8%. What is the firm's weighted average cost of capital (WACC) A) 9.86% B) 8.26% C) 10.98% D) 9.53% E) 8.47%