In 1992 Robert could buy a Super Sugar Deluxe chocolate candy bar for $1. Today in 2012 he pays $2.50 to buy a new and improved Extra Super Sugar Deluxe chocolate candy bar. What inflation rate caused Robert's chocolate habit to increase by $1.50 over the last 20 years?

In 1992 Robert could buy a Super Sugar Deluxe chocolate candy bar for $1. Today in 2012 he pays $2.50 to buy a new and improved Extra Super Sugar Deluxe chocolate candy bar. What inflation rate caused Robert's chocolate habit to increase by $1.50 over the last 20 years?



Answer: 0.0469


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