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Assume Rf=5.0 percent and Rm=9.0 percent and an increase in interest rates changes Rf to 7.10 percent; also assume that the market premlum (RmRf ) changes to 7.5 percent. Compute Kj for the following betas: (Round the final answers to 2 decimal places. Omit $ sign in your response.) Please show all calculotions (submit on the course Moodle page) Calculate the aftertax cost of debt under each of the following conditions. (Do not round intermediate calculations, Round the final answers to 2 decimol places.)