My economics professor called it grandma inflation. Grandma hears that the busboy is making $70000 and freaks not realizing that it's close to $30000 in 1985 do

My economics professor called it grandma inflation. Grandma hears that the busboy is making $70000 and freaks not realizing that it's close to $30000 in 1985 dollars. She still thinks that $70000 is a lot of money...