. CosaNostra Pizza is undergoing a major expansion. The expansion will be financed by issuing new 30-year, $1,000 par, 10% semiannual coupon bonds. The market price of the bonds is $1,020 each. Flotation expense on the new bonds will be $70 per bond. The marginal tax rate is 35%. What is the post-tax cost of debt for the newly-issued bonds?

(i) Describe and interpret the assumptions related to the problem. (ii) Apply the appropriate mathematical model to solve the problem. (iii) Calculate the correct solution to the problem. Submit all answers as percentages and round to two decimal places.