I need help with this questions

Triplin Corporation can issue 20-year bonds with a coupon rate of 7.0%. The market price of the bonds is $978. Flotation costs for a new issue would be approximately 5.0% of the market price. Triplin Corporation's marginal tax rate is 35%. Determine the after-tax cost of debt. Flotation= NP= FV= N= PMT= PV= I/Y = After-tax cost=Juan's Mirage, Inc. is undergoing a major expansion. They plan to finance this expansion by issuing new 10-year bonds with 6.0% coupon rate. The market price of the bonds is $1,045. Flotation cost on the new bonds will be 1.0% of the market price. Juan's marginal tax rate is 30%. What is the after-tax cost of debt? Flotation NP FV N PMT PV V/Y After-tax cost of debt