please show your work

(1) Company BW has issued 2,000 corporate bonds with a maturity value of $1,000 and a coupon rate of 6%. Coupon payments are made every 6 months and those bonds will mature in 6 months from today. Current market price of those bonds is $978.56. Marginal corporate income tax rate is 34%, find the annual after-tax cost of debt for these bonds. [15 points] *** HINT: What have you found? Semi-annual rate or annual rate