Before-tax cost of debt and after tax cost of debt David Abbot is buying a new house, and he is taking out a 30-year mortgage. David wit borrow $198.000 from a bank and to repay the loan he wat make 300 monthly payments principal and interest of 51.168.08 per month over the next 30 years David can deduct Interest payments on his mortgage from his taxable income, and based on Income, David is in the 32% tax bracket a. What is the before tax interest rate (per year on David's loan? b. What is the hertax interest rate that David is paying? a. The before tax interest rate (per year) on David's Toon is (Round to two decimal places) b. The after-tax interest rate that David is paying in %. (Round to two decimal places)