Default Risk Premium Rating U.S. Treasury AAA 0.60% AA 0.80% A 1.05% BBB 1.45% Rink Machine Co. issues 9-year, AA-rated bonds. What is the yield on one of these bonds? Disregard cross-product terms; that is, if averaging is required, use the arithmetic average. 12.78% O 11.98% 5.45% 11.739 Default Risk Premium Rating U.S. Treasury AAA 0.60% AA 0.80% A 1.05% BBB 1.45% Rink Machine Co. issues 9-year, AA-rated bonds. What is the yield on one of these bonds? Disregard cross-product terms; that is, if averaging is required, use the arithmetic average. 12.78% O 11.98% 5.45% 11.739