if you could answer both A and B calculating the perecentages that would be greatly appreciated.

Thank you!

Avicorp has a $14.5 million debt issue outstanding, with a 6.2% coupon rate. The debt has semi-annual coupons, the next coupon is due in six months, and the debt matures in five years. It is currently priced at 94.45% of par value a. What is Avicorp's pretax cost of debt? b. If Avicorp faces a 28% tax rate, what is its after-tax cost of debt? Note Assume that the firm will always be able to utilize its full interest tax shield. a. The cost of debt is \% per year. (Round to two decimal places.)