need a and b please

OLUTE. U Opis 5 of 13 (10 complete HW Score: 68 13% 27 25 of 40 pts P 13-6 (similar to Question Avicorp has $115 million debt issue outstanding with 615 coupon rate. The debt hos semanal coupons, the meant coupon is dus in six months and the debt matures in five years. It is currently priced at of pe value a. What is Alcorp's pre-tax cost of debt? Note Compute the effective annual retum b. Avicarp faces a 40 tax rate, what is is wher-tax cost of debt? Note Assume that the form will always be able to traits full wrest tax shield 2. The cost of debt is per you (Round to four decimal places) Enter your answer in the answer box and then click Check Answer pan remaining Clear A Type here to search e a 307 AM MO