You were reminiscing about the good old days in 1990 when you could buy an ice cream cone at Amy's in Austin, TX for $2.00 which today costs $4.00. The CPI in 1990 was 130.7 and in 2015 it was 237....

You were reminiscing about the good old days in 1990 when you could buy an ice cream cone at Amy's in Austin, TX for $2.00 which today costs $4.00. The CPI in 1990 was 130.7 and in 2015 it was 237. Has Amy raised the price of her ice cream faster than inflation? Explain.