Interest rates were high enough in the late 70s/early 80s that my grandmother bought a $10,000 20-year US Treasury bond in 1981 that paid her $1500/yr. My paren

Interest rates were high enough in the late 70s/early 80s that my grandmother bought a $10,000 20-year US Treasury bond in 1981 that paid her $1500/yr. My parents’ mortgage in 1979 was also somewhere around 12% - I remember my mom gleefully refinancing it in the 90s.