please answer both part and please post ans with four decimals points

years. it bi currently piced at 95% of par value a. What is Avicorp's pre-tax cost of dobt? Note: Compute the effective annual retuen. b. HAvicorp faces a 40% tax rato, 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 dobt is per year (Round to four decimal places.)