What is the duration of a consol bond that sells at a yield to maturity of 8 percent? 12 percent?

Group of answer choices

A) 12.5 years; 10 years

B) 12.5 years; 8.33 years

C) 13.5 years; 9.33 years

D) 11 years; 9.33 years

E) 13.5 years; 11 years