please answer both a and b

Avkor has a $146 milion debt issue outstanding with a 615 coupon rate. The debt has somiannual coupons, the next coupon is due in six months, and the debates in ive years. It is currently priced at 93% of p value a. What is Av corp's pre-tax cost of debt? Note Compute the effective annual retum b. Ancorpeces a 40% tax rate, what is its worlax cost of debt? Na Mume that the firm within the shut a. The cost of det per year Round lolotocmai